The sample data below have been collected based on a simple random sample from a normally distributed population. Complete parts a and b. 4 2 4 a. Compute a 90% confidence interval estimate for the...

Extracted text: The sample data below have been collected based on a simple random sample from a normally distributed population. Complete parts a and b. 4 2 4 a. Compute a 90% confidence interval estimate for the population mean. The 90% confidence interval for the population mean is from (Round to two decimal places as needed. Use ascending order.) to