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Question 57 (5 points) A copier is able to operation for an average of 250 hours...
value 10.00 points Problem 18-1 Repair calls are handled by one repairman at a photocopy shop....
value 10.00 points Problem 18-1 Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed, with a mean of 2.5 hours per call. Requests for copier repairs come in at a mearn rate of 2.1 per eight-hour day (assume Poisson). a. Determine the average number of customers awaiting repairs. (Round your answer to 2 decimal places.) Number of customers b. Determine system utilization. (Round your answer to the nearest whole percent....
Determine the availability for each of these cases a. MTBF-58 days, average repair time 4 days....
Determine the availability for each of these cases a. MTBF-58 days, average repair time 4 days. (Round your answer to 2 decimal places.) Availability b. MTBF = 288 hours, average repair time = 9 hours. (Round your answer to 2 decimal places.) Availability
The guidance system of a ship is controlled by a computer that has three major modules....
The guidance system of a ship is controlled by a computer that has three major modules. In order for the computer to function properly, all three modules must function. Two of the modules have reliabilities of .87, and the other has a reliability of .97. a.What is the reliability of the computer? (Round your answer to 4 decimal places.) Reliability b. A backup computer identical to the one being used will be installed to improve overall reliability. Assuming...
18 Homework Problems Problem 18-1 Repair calls are handled by one repairman at a photocopy shop....
18 Homework Problems Problem 18-1 Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed, with a mean of 25 hours per call Requests for copler repairs come in at a mean rate of 2.1 per eight-hour day (assume Poisson). a. Determine the average number of customers awaiting repairs. (Round your answer to 2 decimal places.) Number of customers b. Determine system utilization (Round your answer to the nearest whole percent....
7. -11 points ASWSBE13 6.E.019. BM You may need to use the appropriate appendix table to...
7. -11 points ASWSBE13 6.E.019. BM You may need to use the appropriate appendix table to answer this question. Automobile repair costs continue to rise with the average cost now at $367 per repair. Assume that the cost for an auton repair is normally distributed with a standard deviation of $88. Answer the following questions about the cost of automobi repairs. (a) What is the probability that the cost will be more than $470? (Round your answer to four decimal...
Please help somewhat confused on all parts Repair calls are handled by one repairman st a...
Please help somewhat confused on all parts
Repair calls are handled by one repairman st a photocopy shop. Repair time, including travel time, is exponentisly distributed, with a mean of 2.0 hours per call. Requests for oopier repairs oome in at a mean rste of 2.1 per eight-hour day (assume Poisson) a. Determine the average number of oustomers awaiting repairs (Round your answer to 2 decimal places.) Number of customers 0.58 b. Determine system utilization. (Round your answer to the...
Question 2 View Policies Show Attempt History Current Attempt In Progress Metlock Services, Inc. is trying...
Question 2 View Policies Show Attempt History Current Attempt In Progress Metlock Services, Inc. is trying to establish the standard labor cost of a typical brake repair. The following data have been collected from time and motion studies conducted over the past month Actualtime spent on the brake repairs 3 hours Hourly wage rate $13 Payroll taxes 10% of wage rate Setup and downtime 12% of actualibor time Cleanup and rest periods 28% of actual labor time Fringe benefits 20%...
Benny's Arcade has five video game machines. The average time between machine failures is 50 hours....
Benny's Arcade has five video game machines. The average time between machine failures is 50 hours. Jimmy, the maintenance engineer, can repair a machine in 15 hours on average.The machines have an exponential failure distribution, and Jimmy has an exponential service-time distribution. a. Jimmy's utilization is . (Enter your response rounded to three decimal places.) b. The average number of machines out of service, that is, waiting to be repaired or being repaired is nothing machines. (Enter your response rounded...
Pare bot s2 uestion 6 (1 point) A crew of mechanics at the Hamilton Highway Department...
Pare bot s2 uestion 6 (1 point) A crew of mechanics at the Hamilton Highway Department garage repair vehicles that break down at an average breakdown rate of A-7.7 vehicles per day approximately Poisson in naturel. The mechanic crew can service an average of 19.0 vehicles per day with a repair time distribution that approximates an exponential distribution. What is the average time between two consecutive successful repairs in minutes). That is if repair for one machine ends at 1:00PM...
x Your answer is incorrect. Try again. Huang's television-repair service receives an average of 5 TV...
x Your answer is incorrect. Try again. Huang's television-repair service receives an average of 5 TV sets per 10-hour day to be repaired. The service manager would like to be able to tell customers that they can expect their TV back in 5 days. What average repair time per set will the repair shop have to achieve to provide 5-day service on the average? (Assume that the arrival rate is Poisson distributed and repair times are exponentially distributed.) (Round answer...
value 10.00 points Problem 18-1 Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed, with a mean of 2.5 hours per call. Requests for copier repairs come in at a mearn rate of 2.1 per eight-hour day (assume Poisson). a. Determine the average number of customers awaiting repairs. (Round your answer to 2 decimal places.) Number of customers b. Determine system utilization. (Round your answer to the nearest whole percent....
Determine the availability for each of these cases a. MTBF-58 days, average repair time 4 days. (Round your answer to 2 decimal places.) Availability b. MTBF = 288 hours, average repair time = 9 hours. (Round your answer to 2 decimal places.) Availability
18 Homework Problems Problem 18-1 Repair calls are handled by one repairman at a photocopy shop. Repair time, including travel time, is exponentially distributed, with a mean of 25 hours per call Requests for copler repairs come in at a mean rate of 2.1 per eight-hour day (assume Poisson). a. Determine the average number of customers awaiting repairs. (Round your answer to 2 decimal places.) Number of customers b. Determine system utilization (Round your answer to the nearest whole percent....
7. -11 points ASWSBE13 6.E.019. BM You may need to use the appropriate appendix table to answer this question. Automobile repair costs continue to rise with the average cost now at $367 per repair. Assume that the cost for an auton repair is normally distributed with a standard deviation of $88. Answer the following questions about the cost of automobi repairs. (a) What is the probability that the cost will be more than $470? (Round your answer to four decimal...
Please help somewhat confused on all parts
Repair calls are handled by one repairman st a photocopy shop. Repair time, including travel time, is exponentisly distributed, with a mean of 2.0 hours per call. Requests for oopier repairs oome in at a mean rste of 2.1 per eight-hour day (assume Poisson) a. Determine the average number of oustomers awaiting repairs (Round your answer to 2 decimal places.) Number of customers 0.58 b. Determine system utilization. (Round your answer to the...
Question 2 View Policies Show Attempt History Current Attempt In Progress Metlock Services, Inc. is trying to establish the standard labor cost of a typical brake repair. The following data have been collected from time and motion studies conducted over the past month Actualtime spent on the brake repairs 3 hours Hourly wage rate $13 Payroll taxes 10% of wage rate Setup and downtime 12% of actualibor time Cleanup and rest periods 28% of actual labor time Fringe benefits 20%...
Pare bot s2 uestion 6 (1 point) A crew of mechanics at the Hamilton Highway Department garage repair vehicles that break down at an average breakdown rate of A-7.7 vehicles per day approximately Poisson in naturel. The mechanic crew can service an average of 19.0 vehicles per day with a repair time distribution that approximates an exponential distribution. What is the average time between two consecutive successful repairs in minutes). That is if repair for one machine ends at 1:00PM...
x Your answer is incorrect. Try again. Huang's television-repair service receives an average of 5 TV sets per 10-hour day to be repaired. The service manager would like to be able to tell customers that they can expect their TV back in 5 days. What average repair time per set will the repair shop have to achieve to provide 5-day service on the average? (Assume that the arrival rate is Poisson distributed and repair times are exponentially distributed.) (Round answer...
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