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Mathematics, 23.10.2019 20:30 Tooey6225

Suppose you perform a study about the hours of sleep that college students get. you know that for all people, the average is about 7 hours. you randomly select 40 college students and survey them on their sleep habits. from this sample, the mean number of hours of sleep is found to be 6.2 hours with a standard deviation of 0.86 hours. you want to construct a 99% confidence interval for the mean nightly hours of sleep for all college students.

(a) what is the point estimate for the mean nightly hours of sleep for all college students?
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