The owner of Torpid Oaks B&B wanted to know the average distance its guests had traveled. A random sample of 16 guests showed a mean distance of 85 miles with a standard deviation of 32 miles. The 90 percent confidence interval (in miles) for the mean is approximately:
A) (71.0,99.0)
B) (71.8,98.2)
C) (74.3,95.7)
D) (68.7,103.2)
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