Given X is a discrete binomial random variable with p = 0.3 and n = 20: (a)

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Given X is a discrete binomial random variable with p = 0.3 and n = 20: 

(a) Can we use the normal approximation to estimate the binomial probability? 

(b) What if n is changed to 15? 

(c) if n = 40 and p = 0.1 is the normal approximation appropriate?

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Business Statistics Using Excel

ISBN: 9780199659517

2nd Edition

Authors: Glyn Davis, Branko Pecar

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