Statistics Test Question

timer Asked: Sep 1st, 2015
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Question description

A certain flight arrives on time 93% of the time. Suppose 195 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that:

 a) exactly 183 flights are on time.

b) at least 183 are on time.

c) fewer than 171 flights are on time.

d) between 171 and 177, inclusive are on time.

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