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A certain flight arrives on time 80

percent of the time. Suppose 131

flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that
​(a) exactly 103

flights are on time.
​(b) at least 103

flights are on time.
​(c) fewer than 98

flights are on time.
​(d) between 98

and 117
​,
inclusive are on time.

Respuesta :

SkiQueen

Answer:

B  at least 103 flights are on time. :)

Step-by-step explanation:

First we need to turn the percentage into a decimal :)

131 x 0.80 = 104.8

The answer should be B  at least 103 flights are on time.

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