1. Classify the following random variables as discrete or continuous.X: the number of automobile accidents each year in Virginia.Y: the length of time to lay 18 holes of golf.M: the amount of milk produced yearly by a particular cow.N: the number of eggs laid each month by 1 hen.P: the number of building permits issued each month in a certaincity.Q: the weight of grain in pounds produced per acre.2. An overseas shipment of 5 foreign automobiles contains 2 that haveslight paint blemishes. If an agency receives 3 of these automobiles atrandom, list the elements of the sample space S using the letters B and Nfor "blemished" and "non-blemished," respectively, and then to eachsample point assign a valueof the random variable Xrepresenting thenumber of automobiles purchased by the agency with paint blemishes.Hint: List the eleme nts - randomP(x=x)X- / bierishes.PGO

( 1 ) Classify the following random variables as discrete or continuous

Answered: 1. Classify the following random…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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20 computer screens were randomly selected from a large collection of computer screens in a company’s warehouse. These 20 computer screens are referred to as the: test statistic. parameter. population. sample.
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(Extra credit) 14. Let X denote the number of times a control machine malfunctions: 1, 2, 3 on any given day. Let Y denote the number of times a technician is called on an emergency call. The joint distribution of X and Y are:
A simple random sample is taken from a certain population, and a statistic is calculated. Suppose we bootstrap this statistic and plot a histogram of the values of this statistic. Determine which of the following statement(s) is (are) false. A. This histogram will resemble the distribution of the population. B. This histogram displays the bootstrap distribution. C. The histogram will be centered at the population mean. D. The shape of the histogram will be skewed only when the population distribution is skewed. O B O A and C C and D O A, C and D
The weights of steers in a herd are distributed normally. The variance is 10,000 and the mean steer weight is 1100⁢lbs. Find the probability that the weight of a randomly selected steer is between 919 and 1180⁢lbs. Round your answer to four decimal places.
A. Construct the probability distribution for the random variables described in each of the following situations. Draw the corresponding histogram for each probability distribution.1. Random variable X which is equal or corresponds to 52. Random variable Y, which is equal or corresponds to 8
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D. Construct the probability distribution for each discrete random variable. 1. Let W be the square of the number when a fair die is rolled. 2. Let X be the number of girls in a family with 3 children. 3. Let Y be the product of two numbers taken separately from two boxes containing numbers 1, 2, 3, and 4. 4. Let B be the number of boys in a committee of 4 taken from 3 boys and 4 girls. 5. Let S be the sum of three numbers taken from 3 jars containing 1, 2, and 3.
ANSWERS ALL PARTS A,B,C A) Roll a dice, X=the number obtained. Calculate E(X), Var(X). Use two expressions to calculate variance. B) Two fair dice are tossed, and the face on each die is observed. Y=sum of the numbers obtained in 2 rolls of a dice. Calculate E(Y), Var(Y). C) Roll the dice 3 times, Z=sum of the numbers obtained in 3 rolls of a dice. Calculate E(Z), Var(Z) from the result of part a and b.
Which of the following is a discrete random variable? O length of time spent watching movies volume of gas use in a household length of a bike number of butterflies in your backyard
There are 20 different pairs of shoes. Pick at random 10 shoes. Let X be the number of paired shoes, M be the number of shoes that are left-foot, N be the number of shoes that are right-foot. (a) Find the distribution of X. Show your problem-solving process (not just the final answer) with a few sentences of explanation and give the formula (b) Let Y = M – N. Give all possible values of Y. Find the distribution of Y. Show your problem-solving process (not just the final answer) with a few sentences of explanation and give the formula. (c) let Z = |Y|, compute E(X), Var(X), E(Z) and Var(Z). Show your problem-solving process (not just the answer), keep 2 decimal places for E(X) and E(Z), and use the approximate values for the calculations of Var(X) and Var(Z).

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