A queuing model that follows the M/M/1 assumptions has = 2 and = 8. The average number in the system Ls is ________ and the utilization of the system is ________.

Select one:

a. 4; 25 percent

b. 0.33; 25 percent

c. 3; 100 percent

d. 4; 33 percent

e. 6; 25 percent