Question: Installing a muffler at Barut Garage, Inc. involves a five work tasks. Azra has timed workers performing these tasks seven times, with the results (in

Installing a muffler at Barut Garage, Inc.Installing a muffler at Barut Garage, Inc.

Installing a muffler at Barut Garage, Inc. involves a five work tasks. Azra has timed workers performing these tasks seven times, with the results (in minutes) shown in the following table. No Tasks 1 2 3 4 5 6 7 PR 1 Select correct mufflers 4 3 ON 7 4 3 100 2 Remove old muffler 8 7 7 8 7 6 7 90 3 Install new muffler 11 12 13 14 12 12 12 85 4 Inspect the work 3 4 3 3 4 4 4 110 5 Complete paperwork 8 8 9 10 10 9 10 100 Assume that the number of observations for the following tasks justifies the confidence level and accuracy mentioned above. Also note that Azra factors in a total of fatigue and personal allowance of 0.15 applied to job time. Provide the following results from your solution: Task Normal Time* Standard Time* # 2 Remove old muffler min min # 4 Inspect the work min min minutes. Provide the total standard time* for the whole job: *Round to the nearest hundredth, for example 8.45 minutes

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