Referring to Exercise 5.71, find: (a) The expected number of college seniors, in a random sample of

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Referring to Exercise 5.71, find:
(a) The expected number of college seniors, in a random sample of 20, supporting the increased funding.
(b) The probability that the number of sampled college seniors supporting the increased funding equals the expected number.


Data from in Exercise 5.71

Suppose that 20% of the college seniors support an increase  in federal funding for care of the elderly. If 20 college seniors are randomly selected, what is the probability that at most 3  of them support the increased funding?

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Statistics Principles And Methods

ISBN: 9781119497110

8th Edition

Authors: Richard A. Johnson, Gouri K. Bhattacharyya

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