Computer Services, Inc., wants to determine a confidence interval for the average CPU time of their teleprocessing transactions. A sample of 64 transactions yielded a mean of 6 seconds with a standard deviation of 0.8 seconds. Determine a 98% confidence interval for the average CPU time.© BrainMass Inc. brainmass.com June 3, 2020, 10:44 pm ad1c9bdddf
Upper Confidence Interval = Mean + Z value for 98% x std ...
The solution determines a confidence interval for the average CPU time of teleprocessing transactions.