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July 30, 2015

Homework Help: statistics

Posted by james on Sunday, July 20, 2014 at 11:05am.

According to the MIT Airline Data Project, American Airlines controlled 15.5% of the domestic market in 2010. A random sample of 125 domestic passengers that year was selected. Using the normal approximation to the binomial distribution, what is the probability that more than 12 passengers from this sample were on American Airline flights?

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