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A certain flight arrives on time 88 percent of the time. Suppose 145 flights are randomly...

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Statistics

A certain flight arrives on time 88 percent of the time. Suppose145 flights are randomly selected. Use the normal approximation tothe binomial to approximate the probability that

​(a) exactly 128 flights are on time.

​(b) at least 128 flights are on time.

​(c) fewer than 124 flights are on time.

​(d) between 124 and 125​, inclusive are on time.

​(Round to four decimal places as​ needed.)

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SOLUTIONFrom given dataA certainflight arrives on time 88 percent of the time Suppose 145 flightsare randomly selected Use the normal approximation to the    See Answer
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