Problem
A call centre would like to know the mean number of calls it receives during peak hours. The manager randomly selects 32 different one-hour periods and determines the number of calls for each. For this sample, x-bar equals 95 and s squareds 2 = 230.What is the mean number of calls per one-hour period during peak hours with a 99% confidence interval?
The response must include a reference list. Using one-inch margins, double-space, Times New Roman 12 pnt font and APA style of writing and citations.