A snack food manufacturer chosen the sample of 15 bags of pretzels off the assembly line as well as 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)