Construct a 90 confidence interval for the true average

Reference no: EM13627262

A study on students drinking habits asks a random sample of 40 "greek" (ones who belong to a fraternity or sorority) UF students how many alcoholic beverages they have consumed in the past week. The sample reveals an average of 6.56 alcoholic drinks, with a standard deviation of 6.25. Construct a 90% confidence interval for the true average number of alcoholic drinks all UF "greek" students have in a one week period.

A. (-3.72, 16.84)

B. (4.01, 9.11)

C. (4.62, 8.50)

D. (4.90, 8.23)

Reference no: EM13627262

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