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QUESTION 14

Customers arrive every three minutes governed by a Poisson distribution. A single server is capable of handling 30 customers per hour and this service time is exponentially distributed. What is the likelihood that more than 4 customers are in the system?

Answer

[removed]		less than or equal to .1
[removed]		greater than 0.1 but less than or equal to 0.15
[removed]		greater than 0.15 but less than or equal to 0.25
[removed]		greater than 0.25 but less than or equal to 0.32
[removed]		Greater than 0.32

5 points

QUESTION 15

A trucking company has 5 trucks that each requires service at an average rate of once every 40 hours, according to an exponential distribution. The firm has a mechanic who needs 5 hours to complete the average job with exponential service times. What is the probability that there will be no trucks in the system?

Answer

[removed]		less than or equal to 0.50
[removed]		greater than 0.50 but less than or equal to 0.60
[removed]		greater than 0.60 but less than or equal to 0.70
[removed]		greater than 0.70

5 points

QUESTION 16

Answer

[removed]		less than or equal to 50 percent
[removed]		greater than 50 percent but less than or equal to 60 percen
[removed]		greater than 60 percent but less than or equal to 70 percent
[removed]		greater than 70 percent

13 years ago
09.10.2013
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