A 99% Confidence Interval (In Inches) for the Mean

Multiple Choice

A 99% confidence interval (in inches) for the mean height of a population is $65.7 < \mu < 67.3$
This result is based on a sample of size 144 . Construct the 95% confidence interval. (Hint: you will first need to find the sample mean and sample standard deviation) .

A) $65.7 \text { in. } < \mu < 67.3 \text { in. }$
B) $65.9 \text { in. } < \mu < 67.1 \text { in. }$
C) $65.6 \text { in. } < \mu < 67.4 \text { in. }$
D) $66.0 \text { in. } < \mu < 67.0 \text { in. }$