Solve the Problem $65.92 < \mu < 67.48$ This Result Is Based on a Sample of Size 144

Multiple Choice

Solve the problem.
-A 99% confidence interval (in inches) for the mean height of a population is $65.92 < \mu < 67.48$ This result is based on a sample of size 144. If the confidence interval $66.13 < \mu < 67.27$ is obtained from the same sample data,
What is the degree of confidence? (Hint: you will first need to find the sample mean and sample standard
Deviation) .

A) 95%
B) 94%
C) 92%
D) 93%