Operations Research : Applications and Algorithms
Operations Research : Applications and Algorithms
4th Edition
ISBN: 9780534380588
Author: Wayne L. Winston
Publisher: Brooks Cole
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Transcribed Image Text:Problem 05-21 (Discrete Probability Distributions)
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A university found that 20% of its students withdraw without completing the introductory statistics course. Assume that 20 students registered for the course.
(a) Compute the probability that 2 or fewer will withdraw. If required, round your answer to four decimal places.
0.2061
(b) Compute the probability that exactly 4 will withdraw. If required, round your answer to four decimal places.
0.2182
(c) Compute the probability that more than 3 will withdraw. If required, round your answer to four decimal places.
(d) Compute the expected number of withdrawals.
4
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