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Unoccupied seats on flights cause airlines to lose revenue. Suppose a large airline wants to determine...

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Statistics

Unoccupied seats on flights cause airlines to lose revenue.Suppose a large airline wants to determine of the mean number ofunoccupied seats on all its flights is greater than 10. Toaccomplish this, the records of 60 flights are randomly selectedand the number of unoccupied seats is noted for each of the sampledflights. The sample mean is 11.4 seats and the sample standarddeviation is 3.4 seats. Test the claim that mean number ofunoccupied seats on all its flights is greater than 10 at the 5%significance level.

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Mean number of unoccupied seatsClaim mean number of unoccupied seats on all its flights isgreater than 10 10Null hypothesis Ho    See Answer
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