2. Your Stats class has N = 40 students, and r = 15 students are sophomores. You...

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2. Your Stats class has N = 40 students, and r = 15 students are sophomores. You don't know anyone, but you randomly selected n = 12 of them and checked if they are sophomores. For the following questions explain your formulas. [15]

a. What is the probability that none of them are sophomores? [5]

b. What is the probability that 3 of them are sophomores? [5]

c. What is the probability that no more than 3 students are sophomores? [5]

Related Book For answer-question

Income Tax Fundamentals 2013

ISBN: 9781285586618

31st Edition

Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill

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Posted Date: Mar 03, 2024 09:57 PM

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2. Your Stats class has N = 40 students, and r = 15 students are sophomores. You...

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Income Tax Fundamentals 2013

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