A particular program, say, program A, previously drew 30% of the television audience. To determine if a
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(a) If the percentage of viewers watching program A has not changed, what is the probability that fewer than 103 out of a sample of 400 will be found to watch the program?
(b) If the number of viewers of the program is actually found to be less than 103, will this strongly support the suspicion that the population percentage has dropped? Use your calculation from part (a).
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Related Book For
Statistics Principles And Methods
ISBN: 9780470904114
7th Edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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