A tax advisor is able to serve 5 customers per hour on a walk-in basis.  An average of 3 customers arrive at the advisor's desk each hour for this service. How many minutes per hour does the advisor have to handle other tasks (not meeting with customers)? Group of answer choices a) 15 minutes b) 4 minutes c) 40 minutes d) 36 minutes e) 24 minutes f) 12 minutes

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter12: Queueing Models
Section12.5: Analytic Steady-state Queueing Models
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43) Tax Advisor

A tax advisor is able to serve 5 customers per hour on a walk-in basis.  An average of 3 customers arrive at the advisor's desk each hour for this service.

How many minutes per hour does the advisor have to handle other tasks (not meeting with customers)?

Group of answer choices
a) 15 minutes
b) 4 minutes
c) 40 minutes
d) 36 minutes
e) 24 minutes
f) 12 minutes
 
44)

Tax Advisor

The tax advisor would like to calculate the probability that more than 1 customer will arrive in the next hour.   Which of the following calculations will provide that answer?

Group of answer choices
a) P(X=0) + P(X=1)
b) P(X=1)

c) 1.0 - [P(X=0) + P(X=1)]

d) 1.0 - P(X=0)

e) 1.0 - P(X=1)

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ISBN:
9781337406659
Author:
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Cengage,