According to an airline flights on a certain route are on


According to an? airline, flights on a certain route are on time 80% of the time. Suppose 13 flights are randomly selected and the number of? flights is recorded.

?a) Explain why this is a binomial experiment.

?b) Determine the values of n and p.

c?) Find and interpret the probability that exactly 9 flights are on time.

?d) Find and interpret the probability that fewer than 9 flights are on time.

?e) Find and interpret the probability that at least 9 flights are on time.

?f) Find and interpret the probability that between 7 and 9 ?flights, inclusive, are on time.

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Basic Statistics: According to an airline flights on a certain route are on
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