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4. According to flightstats.com, American Airline flights from Dallas to Chicago are on time 80% of...

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4. According to flightstats.com, American Airline flights from Dallas to Chicago are on time 80% of the time. Suppose 100 fli
4. According to flightstats.com, American Airline flights from Dallas to Chicago are on time 80% of the time. Suppose 100 flights are randomly selected. a) Explain why this is a binomial experiment. b) Compute the mean and standard deviation of the random variable X, the number of on- time flights in 100 trials of the probability experiment. c) Would it be unusual to observe 75 on-time flights in a random sample of 100 flights from Dallas to Chicago? Why?

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