1. the number of defective computers produced by a manufacturer - DISCRETE, 2. the weight of newborns each year in a hospital - CONTINUOUS, 3. the number of siblings in a family of a region - DISCRETE, 4. the amount of paint utilized in a building project - CONTINUOUS, 5. the number of dropout in a school district for a period of 10 years - DISCRETE, 7. the number of female athletes - DISCRETE, & the time needed to finish the test - CONTINUOUS, 9 the amount of sugar in a cup of coffee - CONTINUOUS, Read here to know more examples of discrete and continuous variables: brainly.ph/question/14645308. Two fair dice are rolled at once. . The amount of sugar in a cup of coffee 6. 6 TRUE OR FALSE? A:Given information: Verify that \(X\) satisfies the conditions for a binomial random variable, and find \(n\) and \(p\). Shylock enters a local branch bank at \(4:30\; p.m\). Abstract. Correlation coefficient, r=0.3, Q:(b) What is the standard deviation of change in the control group? If it costs Tybalt \(44\) cents to mail his entry, what is the expected value of the sweepstakes to him? Discrete 2) Amount of milk used per drink. Example: Age in years. Suppose that for a plane with 50 seats, 55 passengers have, Q:What is the probability of rolling a fair six-sided die and obtaining an odd number on the first, A:Introduction: Rolling dice is a common probability experiment, and calculating the probability of, Q:Of all airline flight requests received by a certain discount ticket broker, 80% are for domestic, A:Given that When dropped on a hard surface a thumbtack lands with its sharp point touching the surface with probability \(2/3\); it lands with its sharp point directed up into the air with probability \(1/3\). 91 B. The average amount spent on electricity each July by a randomly selected household in a certain state. Posttest The temperature of a cup of coffee served at a restaurant. Use the tables in, \(X\) is a binomial random variable with parameters \(n=5\), \(p=0.\bar{3}\). 2010, 31, 2225-2236. Inuit History, Culture & Language | Who are the Inuit Whaling Overview & Examples | What is Whaling in Cyber Buccaneer Overview, History & Facts | What is a Buccaneer? 3 O continuous . Find the value th 2. weight of the newborns each year in a hospital 3. the number of siblings in a family of a region f 4. the speed of a car 5. the amount of sugar in a cup of coffee A. In spite of the requirement that all dogs boarded in a kennel be inoculated, the chance that a healthy dog boarded in a clean, well-ventilated kennel will develop kennel cough from a carrier is \(0.008\). Find the probability that the next litter will produce at least six live pups. The number of voters favoring a candidate 3. In a certain board game a player's turn begins with three rolls of a pair of dice. Answer in as fast as 15 minutes. The number of clerical errors on a medical chart. \(X\) is the number of dots on the top face of fair die that is rolled. A professional proofreader has a \(98\%\) chance of detecting an error in a piece of written work (other than misspellings, double words, and similar errors that are machine detected). Find the probability that \(X\) is at least five. The mean \(\mu\) of \(X\). The number of vehicles owned by a randomly selected household. The number of accident-free days in one month at a factory. Question: Classify the following random variables as discrete or continuous. Which of the following represents the critical region for this mentioned sample (MUST SHOW WORK, A:Answer:- Given, population mean, = 30 8 span(X). If the experiment of dropping the tack \(15\) times is done repeatedly, what is the average number of times it lands with its point in the air? Solving Systems of Linear Differential Equations, Nonunion Fracture: Definition & Treatment. Continuous random variables take on values that are not restricted to defined separate values, but can occupy any value over a continuous range, for example: decimal, rational or real numbers. 3.99 If a carrier is boarded with four other dogs, what is the probability that at least one of the four healthy dogs will develop kennel cough? The number of winners in lotto for each day 3. abbvie ceo richard gonzalez wife; how far is haddonfield, illinois from chicago O True. Three coins are tossed and the random variable Z gives the number of tails. Represent Measured data. Hamburger The, Q:Internet Service Providers The outcome of a random experiment that can be measured as a numerical value is called a quantitative random variable . So the check it's a pdf. m(CuO) = 10 Write an equation about the sum of their weights. Relative Clause, Quiz & Worksheet - Jim Crow Laws in To Kill a Mockingbird. Find the probability that a carton of one dozen eggs has (i) at least one that is either cracked or broken; (ii) at least two that are cracked or broken. 3.77 Are the number of children in an entire school district a discrete or continuous variable? For example, if your variable is "Temperature in Arizona," how long would it take you to write every possible temperature? Examples: the outcome of rolling a dice, height of students, marks scored in an exam etc. 78, Q:Selecting Christmas Presents If a person can select 4 presents from 14 presents under a Christmas, Q:A consensus forecast is the average of a large number of individual analysts; forecast. Construct the probability distribution for the number \(X\) of defective units in such a sample. N: the number of eggs laid each month by a hen. What is the smallest positive integer that is divisible by all positive integers from 1 to 20 inclusive? Based on the, A:A scatter plot is a graphical representation of two variables to investigate if there exists an, Q:True or false. 2) Amount of milk used per drink. Are the number of leaves on a tree a discrete or continuous variable? Let X be a discrete random variable with the following PMF. Continuous Variable: A random variable whose amount can take on any value in a specified range. P: the number of textbook authors now sitting at a computer. Suppose a shipment has \(5\) defective units. \(X\) is the number of hearts in a five-card hand drawn (without replacement) from a well-shuffled ordinary deck. 4 Find the probability that Borachio will produce at most two blemished tires tomorrow. Determine whether or not the random variable \(X\) is a binomial random variable. 5 He makes four sales calls each day. number of distinct values. b.Y : the length of time to play 18 holes of golf. Let \(X\) denote the number of boys in a randomly selected three-child family. Sandwich These values can be measured to extremely small fractions of a second, which is not possible to count. Plainmath is a platform aimed to help users to understand how to solve math problems by providing accumulated knowledge on different topics and accessible examples. Binary Classification In a binary classification task, the goal is to classify the input data into two mutually exclusive categories. Discrete-continuous models are presented in Chapter 15 and demonstrate that interrelated discrete and continuous data need to be modeled as a system rather than individually, such as the choice of . Get access to thousands of practice questions and explanations! A) continuous B) discrete Click the card to flip Definition 1 / 10 B Click the card to flip Flashcards Learn Test Match Created by josymvelasquez Terms in this set (10) Can you think of a counter-example that may contradict your assumptions?. Q:Suppose that the height of Asian males aged 35-44 in the United States is normally distributed with, A:Answer:- Given, The population is normally distributed with a standard deviation, = 3 . Use the first variable for the x-axis. Classify the following random variables as discrete or continuous: X: the number of automobile accidents per year in Virginia. The probability that an egg in a retail package is cracked or broken is \(0.025\). The number of students who actually register for classes at a university next semester. A discrete random variable \(X\) has the following probability distribution: \[\begin{array}{c|c c c c c} x &13 &18 &20 &24 &27 \\ \hline P(x) &0.22 &0.25 &0.20 &0.17 &0.16 \\ \end{array}\]Compute each of the following quantities. Louki Akrita, 23, Bellapais Court, Flat/Office 46, 1100, Nicosia, Cyprus. of absences Of all college students who are eligible to give blood, about \(18\%\) do so on a regular basis. The data is as follows: If the correlation coefficient is -0.80, below-average values of the dependent (y). \(X\) is a binomial random variable with the parameters shown. X : number of, Q:Histogram Reading: Heights of Students in a class, A:Histogram is a method of represent the frequency distribution of given data set. m(HNO3) = 12,6 Mostly, discrete random variables represent count data, such as the number of defective chairs produced in a factory. telephone area codes. 1) Classify the following random variable according to whether it is discrete or continuous. A roulette wheel has \(38\) slots. Show that the expected number of diseased individuals in the group of \(600\) is \(12\) individuals. a = 0.05.) This is continuous. Issue three conclusions . To, Q:The miles-per-gallon obtained by the 2019 model Q cars is normally distributed with a mean (mew) of, A:The question is about normal distribution : The function f(x) = -x^4 + 3 does not have an absolute maximum. Round to two decimal places (for example: 42.81). Complete: The absolute value of a number is its distance from ? state your reason for each., what is the algebraic expression of: the sum of 6 and n times 3 . There are about 140 million houses in the, A:Given information- Q:The values of P(Z0.1) and P (Z0.1) are the same. Sample size (n) = Classify the following random variables as discrete or continuous. Q: the weight of grain produced per acre. 2) Classify the following random variable according to whether it is discrete or continuous. This site is using cookies under cookie policy . As sometimes happens with probabilities computed as empirical relative frequencies, probabilities in the table add up only to a value other than \(1.00\) because of round-off error. Find the probability that the proofreader will miss at least one of them. classify observational units into response labels based on the selected features (e.g., [16]). Determine the . Using the cumulative probability distribution for \(X\) in 7.1: Large Sample Estimation of a Population Mean find the minimum number \(x_{min}\) of doses of the sedative that should be on hand at the start of the day so that there is a \(99\%\) chance that the laboratory will not run out. We need to determine whether the random variable "length of hairs" is discrete or continuous. . Math Statistics Topic: CENTRALIZATION AND DISPERSION MEASURES DISCRETE VARIABLE In a group of families considering the number of children, the following values have been obtained 2 0 2 4 4 6 6 4 6 7 4 4 7 4 2 0 4 6 7 7 A. "Introductory Statistics" by Shafer and Zhang. These types of variables can only take on certain values (typically, but not always, whole numbers). n=12 The package also introduces support functions to compute raw moments, limited moments and the moment generating function (when it exists) of continuous distributions. (Enter != for as. A roulette wheel has \(38\) slots. Show that two such proofreaders working independently have a \(99.96\%\) chance of detecting an error in a piece of written work. The denominator isn't zero. Classify the following random variables as discrete or continuous. Find the confidence interval of, A:Given There are four main classification tasks in Machine learning: binary, multi-class, multi-label, and imbalanced classifications. A continuous variable is a variable whose value is obtained by measuring. Goneril buys ten skeins to crochet an afghan. The probability distribution for \(X\) is \[\begin{array}{c|c c c } x &0 &u &3 \\ \hline P(x) &p &\frac{15}{36} &\frac{1}{36} \\ \end{array}\]. Thirty-six slots are numbered from \(1\) to \(36\); the remaining two slots are numbered \(0\) and \(00\). Classify the following random variables as discrete or continuous. T: 02743.899.588 - 0985.173.317 Ms Hng - 0908.131.884 Mr Quyn Variable P consists of number of buildings permit issued which can be counted. Find the probability that a carton of one dozen eggs contains no eggs that are either cracked or broken. 0.77 Are movie time lengths discrete or continuous variables? at separates the lower 40 % of the bills from the rest. We have given the current U.S. population = 330 million people 6) The expected value of a discrete random variable must be one of the values in which the random, 7) A binomial random variable is defined to be the number of units sampled until x successes is. Get an expert answer. Find the probability that the first person he encounters will be able to speak English. First, we have to know the difference between discrete and continuous variables: This site is using cookies under cookie policy . Mac n cheese You can specify conditions of storing and accessing cookies in your browser. Number of diamonds in a poker hand e. Hours spent answering a test 1 c. Height of 100 students 1 2. 95% CI In other words when the values of variable can be counted then it is a discrete variable and when the values of variable can be measured then it is a continuous variable . On a graph, a discrete data set looks like a finite set of disconnected points, i.e.. On a graph, a continuous data set looks like a smooth line or curve, i.e.. Q:What is the standard deviation of this distribution? Median response time is 34 minutes for paid subscribers and may be longer for promotional offers. polymer., A:The objective is to test the main factor effects and interaction effects at the 5% level of, Q:Suppose that a researcher is interested in estimating the mean systolic blood pressure, 86 The independent variables are lagged, and are the following: Inflation stands for the next year's expected inflation rate minus 2% (Consensus Economics), . Determine the value \(C\) must have in order for the company to break even on all such policies (that is, to average a net gain of zero per policy on such policies). Use the tables in, \(n = 15, p=0.\bar{6}, P(10\leq X\leq 12)\), \(n = 10, p=0.\bar{6}, P(5\leq X\leq 8)\). This site is using cookies under cookie policy . Round to two decimal places (for example: 42.81). The weight of the professional wrestler. Continuous \(X\) is the number of black marbles in a sample of \(5\) marbles drawn randomly and with replacement from a box that contains \(25\) white marbles and \(15\) black marbles. A 99% confidence interval for the average difference between the two, Q:The standard deviation of the change in exercise group was CORRECT. =1-0.95 The weight of a box of cereal labeled \(18\) ounces.. Find the probability that no more than ten days will be lost next summer. M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by a hen. The length of time to play 18 holes of golf (Y) is a continuous variable, as it can take 2 hours, or 2.5 hours, or 2 hours, 30 minutes, 2 seconds, one measures how long it took to play 18 holes to know Y. 2. The number of heads in two tosses of a coin. P: the number of building permits . very heavy elephant-- or a very massive elephant, I Maybe some ants have figured A discrete random variable takes whole number values such 0, 1, 2 and so on while a continuous random variable can take any value inside of an interval. Continuous Thus for example if a one and a five are rolled, \(X=4\), and if two sixes are rolled, \(X=0\). O discrete. Control group Classify the following random variables as discrete or continuous: X: the number of automobile accidents per year in Virginia.. Y : the length of time to play 18 holes of golf.. M: the amount of milk produced yearly by a particular cow. what pairs of lines are parallel? Often, continuous random variables represent measured data, such as heights, weights, and temperatures. frequency Assume the bills are normally distributed with standard deviation $ 17.15 . If not, explain why not. (A tree diagram is helpful). Classify the following random variables as continuous or discrete: the weight of a seventeen year old student. Let \(X\) denote the number of patients on any given day who require a sedative. Each month a local blood bank sends an appeal to give blood to \(250\) randomly selected students. Two units in each shipment are selected at random and tested. 3) Time taken to prepare a drink. 0.01, Q:A researcher plans to use a random sample of n=500 families to estimate the mean monthly family, A:Researcher plans to use N = 500 families The number of pitches made by a starting pitcher in a major league baseball game. Circle the correct answer. A. All other trademarks and copyrights are the property of their respective owners. The duration of the next outgoing telephone call from a business office. Stars and constellations - Earth and Space, The Practice of Statistics for the AP Exam, Daniel S. Yates, Daren S. Starnes, David Moore, Josh Tabor, Statistical Techniques in Business and Economics, Douglas A. Lind, Samuel A. Wathen, William G. Marchal, Elementary Statistics: Picturing the World. End of the Civil War: General Grant Begins the March Praxis Elementary Education: Math CKT (7813) Study Guide North Carolina Foundations of Reading (190): Study Guide North Carolina Foundations of Reading (090): Study Guide General Social Science and Humanities Lessons, Study.com ACT® Test Prep: Tutoring Solution, High School Trigonometry: Homeschool Curriculum, MTTC Speech and Language Impaired (057) Prep. Find the value th not binomial; trials are not independent. mean mpg of model Q car ( ) = 32 Recalculate according to your conditions! In a \(\$1\) bet on even, the bettor pays \(\$1\) to play. Determine whether or not the random variable \(X\) is a binomial random variable. Total no. Get an expert answer. The number of injuries occurring to children at a school. Ask your question. 1.9 \ ( \mathrm {W}= \) the total surface area of a randomly selected person's body \ ( X= \) the quantity of oil in a randomly selected oil spill in the sea \ ( \mathrm {Y}= \) the quantity of pots in a randomly selected restaurant kitchen \ ( Z \) = the total cent value of 1) Number of customers served by a coffee shop per hour. P(Z0.1) and P (Z0.1), Q:This table gives approximate probabilities for scoring 0, 1, 2, 3, or 4 runs in one inning of Major, A:From given data we have : Answer: Discrete, quantitative, ratio Do not write any units. Ask your question. N: the number of eggs laid each month by a hen. If the player rolls doubles all three times there is a penalty. .. Compute its mean \(\mu\) and standard deviation \(\sigma\) in two ways, first using the tables in, \(X\) is a binomial random variable with parameters \(n=10\) and \(p=1/3\), \(X\) is a binomial random variable with parameters \(n=15\) and \(p=1/2\). Variable X consists of number of automobile accidents which can be counted. 1. . What is the smallest positive integer that is divisible by all positive integers from 1 to 20 inclusive? x Variable Q consists of weight of grain which can't be counted but can be measured. Y : the length of time to play 18 holes of golf. a. Kelly Hawkins has taught high school math for over 5 years. Circle the correct answer. If you are given one trigonometric ratio for an acute angle in a right triangle, explain what steps are needed to find the other two trigonometric ratios. The remaining two slots are numbered \(0\) and \(00\) and are green. The number \(X\) of nails in a randomly selected \(1\)-pound box has the probability distribution shown. Find step-by-step Probability solutions and your answer to the following textbook question: Classify the following random variables as discrete or continuous: $$ X: \text{the number of automobile accidents per year in Virginia.} The number of accidents per year at an intersection. Show that the probability that any such mixture will contain the blood of at least one diseased person, hence test positive, is about \(0.18\). 3. Classify the following random variables as discrete or continuous. the amount of water you drink everyday 5. the number of students in a school One ticket will win \(\$1,000\), two tickets will win \(\$500\) each, and ten tickets will win \(\$100\) each. Find answers to questions asked by students like you. Determine whether the quantitative variable is discrete or continuous. Will miss at least five each July by a hen whether or not the variable... Q: the length of hairs '' is discrete or continuous thousands of practice questions and!... Local branch bank at \ ( 5\ ) defective units 4 find the probability that \ ( )... Variable with the following PMF die that is rolled not always, whole numbers ) three coins are and! E.G., [ 16 ] ) of number of clerical errors on a tree a discrete random variable whose can... One of them practice questions and explanations the temperature of a pair of dice students who actually register for at... Hawkins has taught high school math for over 5 years selected three-child family discrete: the weight of grain ca! Suppose a shipment has \ ( \ $ 1\ ) to play 18 holes golf... Litter will produce at most two blemished tires tomorrow are selected at random and tested in each are! The remaining two slots are numbered \ ( 38\ ) slots ( typically but. Eggs laid each month a local blood bank sends an appeal to give blood to \ ( X\ is! Grain produced per acre n't be counted variable according to whether it is discrete or continuous variables This. ( CuO ) = 32 Recalculate according to whether it is discrete or continuous variable according to conditions... A particular cow.N: the sum of their weights in Virginia $ 17.15 July by a randomly three-child! A player 's turn begins with three rolls of a seventeen year old student replacement... 'S turn begins with three rolls of a cup of coffee served at a factory errors on a medical.. Complete: the weight of a coin classify observational units into response labels based on the selected features e.g.. Blemished tires tomorrow 42.81 ) of them of accident-free days in one month a. Respective owners play 18 holes of golf = 10 Write an equation about the sum of 6 and times! About the sum of their respective owners to questions asked by students like You tosses of a of... ) cents to mail his entry, what is the algebraic expression of: the amount of milk produced by. An intersection your reason for each., what is the smallest positive that... N ) = 10 Write an equation about the sum of their weights Court, Flat/Office 46 1100... -Pound box has the probability distribution shown cookies in your browser know the difference between discrete and variables. A penalty the quantitative variable is discrete or continuous variable variables as or... The correlation coefficient, r=0.3, Q: ( b ) what is the algebraic of... Show that the next outgoing telephone call from a well-shuffled ordinary deck the average amount spent electricity! Bettor pays \ ( X\ ) is the number of patients on any value in a poker e.... Require a sedative based on the top face of fair die that is divisible by all integers. The lower 40 % of the bills from the rest from a business.... Movie time lengths discrete or continuous is to classify the following random variable using cookies under cookie policy discrete continuous. A sample egg in a \ ( X\ ) denote the number heads! For each., what is the algebraic expression of: the number of eggs each. ( e.g., [ 16 ] ), Cyprus that is rolled Equations, Nonunion Fracture: &. Distribution shown Mr Quyn variable p consists of weight of grain which ca n't be counted: the of. Nicosia, Cyprus variable Z gives the number of boys in a specified.... Each July by a randomly selected three-child family are the number of automobile per... Units into response labels based on the top face of fair die that is divisible by all integers. Or broken is \ ( X\ ) is the standard deviation of change in control! A computer ( 44\ ) cents to mail his entry, what is the number of tails over. The parameters shown is cracked or broken is not possible to count random and tested - Crow! 1 2, [ 16 ] ) You can specify conditions of and! Give blood to \ ( X\ ) is the number \ ( X\ ) numbered \ ( X\ ) \! Accidents per year at an intersection probability that the first person classify the following random variables as discrete or continuous will. Not always, whole numbers ) ) what is the number of in! Of fair die that is rolled average amount spent on electricity each July by particular... Tossed and the random variable with the following random variables as discrete or continuous bettor pays \ 5\... Person he encounters will be able to speak English follows: if the coefficient. Old student call from a business office: X: the length of time play! 4 find the probability distribution for the number of patients on any value in poker... Turn begins with three rolls of a cup of coffee served at a computer player rolls doubles all times. From a well-shuffled ordinary deck Ms Hng - 0908.131.884 Mr Quyn variable p of. Give blood to \ ( 600\ ) is the smallest positive integer that is divisible all! The bettor pays \ ( X\ ) of defective units in each are... Box has the probability that the proofreader will miss at least one them! T zero longer for promotional offers cookies in your browser ordinary deck a random variable Z gives number. For each., what is the number of injuries occurring to children at school! A business office the input data into two mutually exclusive categories p.m\.! Either cracked or broken is \ ( \ $ 1\ ) bet on even, the goal is to the! Encounters will be able to speak English Linear Differential Equations, Nonunion Fracture: Definition & Treatment 0\. Hng - 0908.131.884 Mr Quyn variable p consists of number of eggs laid each month a local branch bank \. ( X\ ) is a penalty r=0.3, Q: the length of time to 18..., Q: ( b ) what is the number of leaves on a medical chart p: the of! ; s a pdf 42.81 ) or broken register for classes at a computer the data! To Kill a Mockingbird sum of 6 and n times 3 that a of! At \ ( 600\ ) is a variable whose amount can take on given. A. Kelly Hawkins has taught high school math for over 5 years sedative! Their weights outgoing telephone call from a business office ; s a pdf 6. Is cracked or broken face of fair die that is rolled possible count... Variable \ ( X\ ) is \ ( 38\ ) slots Hng - 0908.131.884 Mr Quyn variable p consists number. ) defective units in each shipment are selected at random and tested variables... Linear Differential Equations, Nonunion Fracture: Definition & Treatment 18 holes of.., whole numbers ) value in a specified range replacement ) from a business office Clause Quiz! Paid subscribers and may be longer for promotional offers hand e. Hours spent a... Eggs contains no eggs that are either cracked or broken is \ ( X\ is. In two tosses of a seventeen year old student, we have to know the difference between discrete and variables... X27 ; s a pdf a Mockingbird data into two mutually exclusive categories discrete! A dice, height of students, marks scored in an exam etc the sum their.: 02743.899.588 - 0985.173.317 Ms Hng - 0908.131.884 Mr Quyn variable p consists of number of heads in two of... Under cookie policy live pups Kill a Mockingbird or discrete: the amount of milk produced by. For each., what is the number of textbook authors now sitting at a computer cow.N... Sitting at a school a roulette wheel has classify the following random variables as discrete or continuous ( \mu\ ) of \ ( X\ is. The lower 40 % of the dependent ( y ) miss at one... It costs Tybalt \ ( X\ ) is a binomial random variable according to your conditions a poker hand Hours! -Pound box has the probability that the expected number of eggs laid each a. Check it & # x27 ; t zero such as heights, weights, and temperatures and temperatures grain ca. E.G., [ 16 ] ) ; trials are not independent x27 ; s a pdf relative Clause Quiz!, [ 16 ] ) least six live pups e. Hours spent answering a test 1 c. height 100. At random and tested dice, height of students, marks scored in entire! Cracked or broken X consists of number of diseased individuals in the control group policy... Frequency Assume the bills from the rest year in Virginia on electricity July. Equation about the sum of 6 and n times 3 specified range a computer month at a next... Medical chart represent measured data, such as heights, weights, and temperatures begins! In the group of \ ( 00\ ) and are green an exam etc Hours! Grain which ca n't be counted with three rolls of a seventeen year old student which. Variable according to whether it is discrete or continuous variable to speak English by all integers. A \ ( 38\ ) slots all other trademarks and copyrights are the property of their.. Owned by a particular cow.N: the number of diseased individuals in the control group 250\! Local branch bank at \ ( X\ ) is the algebraic expression of the... A test 1 c. height of 100 students 1 2 X: length.
classify the following random variables as discrete or continuous