Problem 05-21 (Discrete Probability Distributions) eBook 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 Icon Key ◆ Question 4 of 6▸ Check My Work Check My Work

Operations Research : Applications and Algorithms
4th Edition
ISBN:9780534380588
Author:Wayne L. Winston
Publisher:Wayne L. Winston
Chapter12: Review Of Calculus And Probability
Section: Chapter Questions
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Problem 05-21 (Discrete Probability Distributions)
eBook
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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Transcribed Image Text:Problem 05-21 (Discrete Probability Distributions) eBook 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 Icon Key ◆ Question 4 of 6▸ Check My Work Check My Work
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