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Mathematical Statistics with Applications | 7th Edition | ISBN: 9780495110811 | Authors: Dennis Wackerly; William Mendenhall; Richard L. Scheaffer
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Refer to Exercise 3.67. What is the expected number of

Chapter 3, Problem 68E

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QUESTION:

Problem 68E

Refer to Exercise 3.67. What is the expected number of applicants who need to be interviewed in order to find the first one with advanced training?

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Suppose that 30%of the applicants for a certain industrial job possess advanced training in computer programming. Applicants are interviewed sequentially and are selected at random from the pool. Find the probability that the first applicant with advanced training in programming is found on the fifth interview.

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QUESTION:

Problem 68E

Refer to Exercise 3.67. What is the expected number of applicants who need to be interviewed in order to find the first one with advanced training?

Reference

Suppose that 30%of the applicants for a certain industrial job possess advanced training in computer programming. Applicants are interviewed sequentially and are selected at random from the pool. Find the probability that the first applicant with advanced training in programming is found on the fifth interview.

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We have to find the expected no.of applicants needs advanced training

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