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United Airlines flight 1832 from Chicago to Orlando is on time 80% of the time, according...

United Airlines flight 1832 from Chicago to Orlando is on time 80% of the time, according to United Airlines. Suppose 15 flights are randomly selected and let X be the number of flights that were on time. What is the mean of the distribution of X? a) 1.5 b) 2.4 c) 3.5 d) 7.5 e) 12.0

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