QUESTION 5 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 6 3 5 4 7 6 4 120 2 Remove old muffler 6 6 6 8 8 7 5 120 3 Install new muffler 12 12 11 11 11 11 12 90 4 Inspect the work 3 4 4 4 4 3 4 110 5 Complete paperwork 9 10 8 7 9 9 8 120 Given that Azra does not want an error of more than 0.07 and a confidence level less than 0.85 answer the following Provide the z-score Round to the nearest hundredth for example 4.22 Does the number of observations for the following tasks warrant such confidence level? Enter YES or NO Task #3 Install new muffler Task #5 Complete paperwork What are the required numbers of observations for these tasks? Enter the number Task #3 Install new muffler Given that Azra does not want an error or more inan Uur and a condence level less than 0.85 answer the Tollowing: Provide the Z-score. Round to the nearest hundredth, for example 4 22 Does the number of observations for the following tasks warrant such confidence level? Enter YES or NO Task #3 Install new muffler Task #5 Complete paperwork What are the required numbers of observations for these tasks? Enter the number Task # 3 Install new muffler Task # 5 Complete paperwork 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 0.05 applied to job time Provide the following results from your solution Task Normal Time Standard Time #2 Remove old muffier min min #4 Inspect the work min min Provide the total standard time for the whole job "Round to the nearest hundredth, for example 8.45 minutes minutes QUESTION 5 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 6 3 5 4 7 6 4 120 2 Remove old muffler 6 6 6 8 8 7 5 120 3 Install new muffler 12 12 11 11 11 11 12 90 4 Inspect the work 3 4 4 4 4 3 4 110 5 Complete paperwork 9 10 8 7 9 9 8 120 Given that Azra does not want an error of more than 0.07 and a confidence level less than 0.85 answer the following Provide the z-score Round to the nearest hundredth for example 4.22 Does the number of observations for the following tasks warrant such confidence level? Enter YES or NO Task #3 Install new muffler Task #5 Complete paperwork What are the required numbers of observations for these tasks? Enter the number Task #3 Install new muffler Given that Azra does not want an error or more inan Uur and a condence level less than 0.85 answer the Tollowing: Provide the Z-score. Round to the nearest hundredth, for example 4 22 Does the number of observations for the following tasks warrant such confidence level? Enter YES or NO Task #3 Install new muffler Task #5 Complete paperwork What are the required numbers of observations for these tasks? Enter the number Task # 3 Install new muffler Task # 5 Complete paperwork 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 0.05 applied to job time Provide the following results from your solution Task Normal Time Standard Time #2 Remove old muffier min min #4 Inspect the work min min Provide the total standard time for the whole job "Round to the nearest hundredth, for example 8.45 minutes minutes