The Manager of a Computer Help Desk Operation in Moncton

Multiple Choice

The manager of a computer help desk operation in Moncton has collected enough data to conclude that the time per call is normally distributed with a mean equal to 8.21 minutes and a standard deviation of 2.14 minutes. The manager wants to set the time limit that only 8% of all calls will exceed this limit. The time limit should be

A) about 11.23 minutes.
B) about 5.25 minutes.
C) about 14.58 minutes.
D) about 10.35 minutes.
E) about 20.29 minutes.