The mean time from customer arrival to "service complete" for a customer at the Citysburg office of the Department of Motor Vehicles is 93 minutes,...

The mean time from customer arrival to "service complete" for a customer at the Citysburg office of the Department of Motor Vehicles is 93 minutes, with a standard deviation of 14 minutes. Assuming a normal distribution, what is the probability that a randomly chosen customer experiences "arrival-to-service complete" time between 79 and 107 minutes