Probability in Airline Flights - Homework Help

timer Asked: Mar 6th, 2016

Question description

In 2005, 74% of all airline flights were on-time. If we choose a simple random sample of 2000 flights, find the probability that (be as accurate as the proper process allows) (a) at least 77% of the sample's flights were on time: 1 (b) at most 1420 of the sample's flights were on time: 2 (c) the sample proportion of on-time flights (p-hat) differs from the truth by more than thee percent (0.03):

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