Question

According to flightstats.com, American Airlines flights from Dallas to Chicago are on time 80% of the time. Suppose 15 flights are randomly selected, and the number of on-time flights is recorded.
(a) Explain why this is a binomial experiment.
(b) Find and interpret the probability that exactly 10 flights are on time.
(c) Find and interpret the probability that fewer than 10 flights are on time.
(d) Find and interpret the probability that at least 10 flights are on time.
(e) Find and interpret the probability that between 8 and 10 flights, inclusive, are on time.


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  • CreatedApril 27, 2015
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