Question

A simple random sample of 60 items resulted in a sample mean of 76. The population standard deviation is 14.

a. Compute the 95% confidence interval for the population mean (to 1 decimal).

Answer 1

Answer: (72.383,79.617)

Round to: (72.4,79.6)

Step-by-step explanation:

Go to stat, calc, 8-Tinterval, and then just plug in the given information