Computer Services, Inc. wants to determine a confidence interval for the average CPU time of their teleprocessing transa
Posted: Wed May 11, 2022 9:03 am
Computer Services, Inc. wants to determine a confidence interval for the average CPU time of their teleprocessing transactions. A sample of 36 transactions yield a mean of 4 seconds with a standard deviation of 12 seconds. Determine a 90% confidence interval for the average CPU time of all the teleprocessing transactions O 3.92 -4,08 seconds 0 3.85 4.15 seconds O 3.89.4.11 seconds O 3.97 - 4.03 seconds