A 95% confidence interval estimate for a population mean is determined to be 65.48 to 76.52. Which of the following is true if a 90% confidence interval for is constructed?
A)	It is wider than the 95% confidence interval
B)	It is the same as the 95% confidence interval
C)	It is narrower than the 95% confidence interval
D)	There is not enough information to determine the answer.
Answer:C
A 95% confidence interval estimate for a population mean is determined to be 65.48 to 76.52. Which of the following is true if a 90% confidence interval for is constructed?
A)	It is wider than the 95% confidence interval B)	It is the same as the 95% confidence interval C)	It is narrower than the 95% confidence interval D)	There is not enough information to determine the answer.