Normal approximation for binomial


Let x be binomial random variable with n=100 and p=.8. The probability of less than 78 successes, when using normal approximation for binomial is ________

a) 0.2659

b) 0.5

c) 0.4156

d) 0.0002

e) 0.64

f) 0.04

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Basic Statistics: Normal approximation for binomial
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