4.A men's clothing store developed a customerwaist size probability table from a sample of300 customers, as shown.Waist Size (Inches)Probability26-280.00028-300.02530-320.17532-340.29534-360.30036-380.16038-400,04540-420.000a) Find the number of customers in this sample whohad waist sizes from 30-36 inches.b) Is this distribution a uniform distribution? Explain.

Answered: Image /qna-images/answer/e1c71276-dd59-49ea-b823-e66735873128.jpg

Answered: 4. A men's clothing store developed a…

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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Family Entertainment Costs – The mean total costs for all forms of family entertainment (i.e. movies, toys, video games, plays, concerts, etc.) was $12,000 per year. Suppose that ? = $2000 and 36 families are randomly selected. Find the probability that the sample mean cost for these 36 families is a) Less than $11,000. b) More than $14,000. c) Between $11,000 and $14,000.
A box contains the following tickets: 1, 1, 1, 1, 2, 2, 3, 3. Which of the plots below represents the probability histogram for a single draw from this box? (a) (b) (c)
1. The ages of all males from the freshmen students in the University of Santo Tomas is a/an ___________. a. frequency b. sample c. statistic d. population 2. If the probability of a defective bolt is 0.1, determine the mean for the number of defective bolts in a total of 400 bolts. Is the answer 40?
18. Stress at work: In a poll conducted by the General Social Survey, 81% of respondents said that their jobs were sometimes or always stressful. Two hundred workers are chosen at random. a. Approximate the probability that 160 or fewer find their jobs stressful.
2.) For random variable that counts the number of heads when a coin is flipped four times, find the following: a.) The probability distribution; b.) The probability histogram with breaks=c(-1,0,1,2,3,4).
3) Below is the distribution of 80 graduates with their degree type and average grade. Find the probability that a randomly selected graduate has a B.S. degree, given that the graduate has a B average. ((please check images for accuracy, thank you!!!))
3. Two board members were chosen at random from 12 candidates of which 8 were independent candidates. a. Determine the probability distribution for the number of independent candidates selected. b. Find the mean and the variance of the distribution of the number of independent candidates chosen as board members.
4. Six employees of a marketing firm had effectiveness ratings as follows: 0.72, 0.46, 0.59, 0.64, 0.81 and 0.76. Find the probability of selecting an employee with the indicated effectiveness rating.a. Greater than 0.75. b.Less than 0.75 but greater than 0.5. c. Greater than the mean. d. Not less than 0.9.
1. A box contains gold coins and silver coins. If four coins are selected at random, construct a probability distribution for the random variable X that represents the number of gold coins. Determine the sample space using a Tree Diagram. Draw the histogram of this probability distribution. Tree Diagram: Possible Outcomes Value of the Random Variable X
The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.4 per week. Find the probability of the following events. A. No accidents occur in one week. Probability = B. 7 or more accidents occur in a week. Probability = C. One accident occurs today. Probability =
1] It has been reported that 50% of college students graduate in six years. Consider a random sample of 37 students and consider the number who graduate in six years. Using an appropriate probability distribution model ... Find the probability that more than 19 students in the sample graduate in six years. Find the probability that less than 19 students in the sample graduate in six years.
The following table gives data on the marital status of women aged 25 to 29. These proportions tell us the probability of the marital status of a randomly selected woman. Marital Status Never Married Married Widowed Divorced Proportion ??? 0.494 0.005 0.046 1) What percentage of women aged 25 to 29 have never been married? 2) What is the probability that a randomly chosen woman is not currently married?

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