A Distribution of Service Times at a Waiting Line Shows

Multiple Choice

A distribution of service times at a waiting line shows that service takes 6 minutes 30 percent of the time, 7 minutes 40 percent of the time, 8 minutes 20 percent of the time, and 9 minutes 10 percent of the time. This distribution has been prepared for Monte Carlo analysis. The first two random numbers drawn are 23 and 74. The simulated service times are ________ minutes, then ________ minutes.

A) 6; 8
B) 7; 7
C) 7; 8
D) 8; 9
E) Cannot determine because no service time probability is that large.