Question
In a large university, 55% of students live in dormitories. A random sample of 5 students is selected. Use the binomial probability tables to answer
In a large university, 55% of students live in dormitories. A random sample of 5 students is selected. Use the binomial probability tables to answer the following questions.
(a)What is the probability that the sample contains exactly three students who live in the dormitories? (Round your answer to four decimal places.)
(b)What is the probability that the sample contains no students who lives in the dormitories? (Round your answer to four decimal places.)
(c)What is the probability that the sample contains more than three students who do not live in the dormitories? (Round your answer to four decimal places.)
(d)What is the expected number of students (in the sample) who do not live in the dormitories?
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Business Analytics Data Analysis and Decision Making
Authors: S. Christian Albright, Wayne L. Winston
5th edition
1133629601, 9781285965529 , 978-1133629603
