A= 66M= 64.2: For a job interview in Kuwait, theprobability of success is p = µ/20. Suppose X is the number of applicants that invitedto the interview until one applicant is successful and get the job.Answer the following questions:a) Explain what distribution should we use in this case and why?b) Find the expected value and the standard deviation of the number ofapplicants that will be invited to the interview until one applicant is successful.c) Find the probability that at most 3 applicants invited to the interview until oneapplicant is successful.

Given: \mu= 4.2 P= (\mu)/20 X represents nuber of applicants that invited to the interview until one…

Answered: For a job interview in Kuwait, the…

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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Please only answer c,d
In 1995, the median price of a PC was $1200. Suppose that a random sample of100 persons who bought their PCs during that year recorded the amount spent (byeach of them) on his/her PC. State the approximate sampling distribution of ˆp, theproportion of persons who spent more than $1200 on a PC. Find the probabilitythat more than 60% of this group spent more than $1200. NOTE: Please explain each part, so the problem can be used as a Study Guide
According to a study conducted by the Gallup organization, the proportion of Americans who are afraid to fly is 0.10. A random sample of 1100 Americans is taken and they are asked if they are afraid to fly. Find the probability that the sample portion of Americans in the sample who say they are afraid to fly is greater than 12. QUESTION REFERS TO DISTRIBUTION OF THE SAMPLING PROPORTION PHAT
Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the standard deviation is 5. What is the probability of selecting a person with a score greater than Cody’s?
According to the Disney Times, 37% of all people in NeverNeverLand are digitally illiterate. Suppose you randomly select eleven people off a city street. Make a probability distribution of the number of digitally illiterate people out of the eleven in the sample. Make a histogram showing the probability distribution of the number of digitally illiterate people out of the eleven people in the sample. Find the mean and standard deviation of the probability distribution. Find the probability of out of eleven people, at least 5 are digitally illiterate. Find the probability of out of eleven people, at most 8 are digitally illiterate. Find the probability of out of eleven people, between 6 and 9, inclusive, are digitally illiterate.
Suppose that the only information you have is that in the last 90 days a total of 27,000 students visited. Can you say anything about the probability that more than 500 students visit on a given day? Suppose that you got some additional information saying that the standard deviation of students visiting per day is 50 students. Can you say anything more precise about the probability that more than 500 students visit on a given day?
Suppose Michigan is favored by 17.5 points over Indiana. If you bet a “unit” on Indiana and Indiana loses by 17 or less, you win $10. If Indiana loses by 18 or more points, you lose $11. Note: Both Michigan and Indiana are NCAA Basketball teams. 1)Find the mean and standard deviation of your winnings on a single bet. Assume that there is a 0.5 probability that you will win your bet and a 0.5 probability that you will lose your bet.
Malaysian families recorded an average of 17.2 kg of glass garbage each year with the standard deviation of the distribution is 2.5 kg. Using a central limit theorem, compute a probability that the mean of a sample of 55 families will be between 17 kg and 18 kg.
The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the standard deviation is σ = 4 years, what is the probability of a person living to at least 92 years of age?
A student's chances of being accepted to Harvard are about 5%. What is the probability that only three students from the same school will be accepted if twenty apply? Calculate the expected number of accepted students if there were ten applicants from the same school. Also, find the standard deviation of the number of accepted applicants.
About 77% of all female heart transplant patients will survive for at least 3 years. Eighty female heart transplant patients are randomly selected. What is the probability that the sample proportion surviving for at least 3 years will be less than 69%? Assume the sampling distribution of sample proportions is a normal distribution. The mean of the sample proportion is equal to the population proportion and the standard deviation is equal to The probability that the sample proportion surviving for at least 3 years will be less than 69% is (Round to four decimal places as needed.)
The average number of shoppers at a particular grocery store in one day is 505, and the standard deviation is 115. The number of shoppers is normally distributed. For a random day, what is the probability that there are between 200 and 400 shoppers at the grocery store? The answer should be typed as a decimal with 4 decimal places.

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