A certain flight arrives on time 89 percent of the time. Suppose 119 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that
(a) exactly 113 flights are on time.
(b) at least 113 flights are on time.
(c) fewer than 107 flights are on time.
(d) between 107 and 114, inclusive are on time.

Question

25-06-2024
Mathematics

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A certain flight arrives on time 89 percent of the time. Suppose 119 flights are randomly selected. Use the normal approximation to the binomial to approximate the probability that
(a) exactly 113 flights are on time.
(b) at least 113 flights are on time.
(c) fewer than 107 flights are on time.
(d) between 107 and 114, inclusive are on time.

Sagot :

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