Suppose that an office has one secretary who can put up to two callers on hold while speaking to a third caller.(If two callers are on hold, additional callers will get a busy signal and will not
Call back.) If the arrival rate of calls follows a Poisson
Distribution with a mean rate of 20 per hour and the average length
Of a telephone conversation is 2 minutes, the average number of
Callers who will be on hold is approximately:
A)2.0.
B)1.3333
C)1.0154.
D).4308.

Question

Quizplus · Accepted Answer

The Answer of Suppose that an office has one secretary who can put up to two callers on hold while speaking to a third caller.(If two callers are on hold, additional callers will get a busy signal and will not
Call back.) If the arrival rate of calls follows a Poisson
Distribution with a mean rate of 20 per hour and the average length
Of a telephone conversation is 2 minutes, the average number of
Callers who will be on hold is approximately:
A)2.0.
B)1.3333
C)1.0154.
D).4308.

Suppose That an Office Has One Secretary Who Can Put