Number of transmissions that are waiting to be fixed

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Reference no: EM131741523

Mark’s Auto Center employs a single mechanic for transmission repair. It takes that person an average of 2.5 hours (exponential) to fix a transmission. There are an average of 2.1 people who bring in their cars for transmission jobs each 8-hour day.

a. Calculate the average number of transmissions that are waiting to be fixed. (Round your answer to 2 decimal places.)

Number of customers ______________

b. What is the utilization? (Round to integer)

System utilization _______________ %

c. Calculate the amount of time during an eight-hour day that the transmission specialist is idle . (Round your answer to 2 decimal places.)

Amount of time _________________ hours

d. Calculate the probability that there are two or more cars being worked on AND waiting for transmission repair. (Do not round intermediate calculations. Round your answer to 4 decimal places.)

Probability ______________

Reference no: EM131741523

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