Question: need help woth operations management homework! 7. (4 points) A production manager at a tire plant has inspected the number of defective tires in 10

need help woth operations management homework!

7. (4 points) A production manager at a tire plant has inspected the number of defective tires in 10 random samples with 50 observations each. Following are the numbers of defective tires found: a. What are the upper and lower control limits for the p-chart? b. Is the process in control? 8. (4 points) AAT Rentals receives several complaints per day about the behavior of its operators. Over a 10-day period (where days are the unit of measure), the owner received the following numbers of calls from irate passengers: 8,0,1,15,10,8,2,11,8,5. Choose an appropriate control chart and calculate the upper and lower control limits for the chart

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