Let X denote the number of successes in n Bernoulli trials with a success probability of p.
Question:
(a) Find the exact probabilities of each of the following:
(i) X < 7 when n = 25, p = .4
(ii) 11 < X < 16 when n = 20, p = .7
(iii) X > 9 when n = 16, p = .5
(b) Use a normal approximation for each situation in part (a).
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Step by Step Answer:
a We use Appendix Table 2 to find the exact binomial probabilities i When n 25 p 04 PX 7 0154 ...View the full answer
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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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