SCENARIO 8-7 a Hotel Chain Wants to Estimate the Mean Number of Number

Short Answer

SCENARIO 8-7
A hotel chain wants to estimate the mean number of rooms rented daily in a given month.The population of rooms rented daily is assumed to be normally distributed for each month with a standard deviation of 240 rooms.During February,a sample of 25 days has a sample mean of 370 rooms.
-Referring to Scenario 8-7,the critical value for a 99% confidence interval for this sample is
.