Suppose that x has a binomial distribution with n = 50 and p = 0.6, so that

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Suppose that x has a binomial distribution with n = 50 and p = 0.6, so that µ = np = 30 and σ = √np(1 - p) = 3.464. Approximate the following probabilities using the normal approximation with the continuity correction. See Example 7.35.

a. P(x = 30)

b. P(x = 25)

c. P(x ≤ 25)

Distribution
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Introduction To Statistics And Data Analysis

ISBN: 9781337793612

6th Edition

Authors: Roxy Peck, Chris Olsen, Tom Short

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