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Calculate the probability of obtaining a random sample

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Reference no: EM132122162

A major airline company is concerned that it's proportion of late arrivals has substantially increased in the past month. Historical data shows that on the average 18% of the company airplanes have arrived late. And a random sample of 1240 airplanes, 257 airplanes have arrived late . Calculate the probability of obtaining a random sample with a sample proportion greater than 0.2073?

Reference no: EM132122162

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