How many computer repair troubleshooters should be on duty from 8:00 p.m. to midnight if total demand during that period is 15 calls? The service rate is five (5) calls per hour and the target utilization is 90%
a. Two
b. Three
c. Four
d. Five
C[ Eq 7.2 so, 0.90 = 15/[5 × N], so N = 3.33 people or 4]
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