Calculating confidence interval estimate for true mean

Reference no: EM13105731

A snack food manufacturer selected a sample of 15 bags of pretzels off the assembly line and weighed their contents. If the sample mean is 10.0 and the sample standard deviation is 0.15, find the 95% confidence interval estimate for the true mean weight of bags of this type of pretzel.

A. (9.92, 12.34)

B. (8.54, 11.46)

C. (10.42, 10.58)

D. (9.92, 10.08)

Reference no: EM13105731

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