pts Question Help ▼ You are giveen the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the...

Extracted text: pts Question Help ▼ You are giveen the sample mean and the population standard deviation. Use this information to construct the 90% and 95% confidence intervals for the population mean. Interpret the results and compare the widths of the confidence intervals. From a random sample of 39 business days, the mean closing price of a certain stock was $105.20. Assume the population standard deviation is $10.57. ces The 90% confidence interval is (. (Round to two decimal places as needed.)