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suppose that the average number of credit hours that students take per semester is 16.3 hours...

suppose that the average number of credit hours that students take per semester is 16.3 hours (consider that to be the population mean). If 57.91% of students take less than 15.2 hours, find the standard deviation of credit hours for the population of students.

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Therefore, standard deviation of credit hours for the population of students is 5.51 hours

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