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how do you find the critical value, region and p value for this problem? High airline...

how do you find the critical value, region and p value for this problem?

High airline occupancy rates on scheduled flights are essential for profitability. Suppose that a scheduled flight must average at least 60% occupancy to be profitable and that an examination of the occupancy rates for 120 10:00 A.M. flights from Atlanta to Dallas showed mean occupancy rate per flight of 58% and standard deviation 11%

Math   Statistics-And-Probability   
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