The simulator’s interface asks the user to enter the average number of minutes required to process a customer. However, as written, the simulation assigns the same processing time to each customer. In...

The simulator’s interface asks the user to enter the average number of minutes required to process a customer. However, as written, the simulation assigns the same processing time to each customer. In real life, processing times vary around the average. Modify the Customer class’s constructor so that it randomly generates service times between 1 and (average * 2 + 1).