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sergejj [24]
3 years ago
7

A grocery store has three open checkout lanes. On average, 45 shoppers arrive at these lanes per hour. The coefficient of variat

ion of the interarrival time is equal to 1. The average service time for each lane is 18 customers per hour, and the coefficient of variation for the service time distribution is three minutes per lane.
Calculate the utilization factor of the system.

A.
0.833

B.
17.91

C.
3.58

D.
3
Business
1 answer:
nadya68 [22]3 years ago
6 0

Answer:

A.  

0.833

Explanation:

m = 3

Arrival rate, ra = 45 per hour

Service rate, re = 18 per hour per lane

Utilization factor = ra/(m.re)

                            = 45/(3*18)

                            = 0.833

Therefore, The utilization factor of the system is 0.833

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