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PA 16-16 The organizers of a conference in the Houston. The organizers of a conf

ID: 342782 • Letter: P

Question

PA 16-16 The organizers of a conference in the Houston. The organizers of a conference in the Houston Convention Center are evaluating the possibility of seting up a computer area where attendees can check their e-mail on computers provided by the rganization. There will be one common queue for all computers and only one person uses a computer at a time. On average there are 13 attendee arrivals per hour and the average time a person spends on the computer is 12 minutes. To ensure that waiting times are not too long, the organizers want to ensure that the unlization of the computers doesn't exceed 85 percent. At least how many computers do they need to have? References eBook&Resources; Worksheet O Type here to search 5 6 8 9 0

Explanation / Answer

Arrival rate, = 13 per hour

Service rate, = (1/service time)*60 minutes per hour = (1/12)*60 = 5 per hour

Tagret Utilization = /(c) = 13/(5c) = .85

Number of computers (c) = 13/(5*0.85) = 3.06 ~  4 (rounded-up)

Number of computers they need to have = 4 computers