= Homework: Homework: Chapters 10 and E Question 2, Problem 10.29 Part 2 of 2 HW Score: 16.67%, 1 of 6 points x Points: 0 of 1 Save The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company's policy is a 23% allowance for workers. (Round all intermediate calculations to two decimal places before proceeding with further calculations.) Observation (seconds) 2 3 4 Element 1 5 9 9 11 8 Performance Rating 115% 85% 105% 95% 10 40 35 39 Grasp and place bag Fill bag Seal bag Place bag on conveyor 110* 15 16 13 35 19 31^ 17 34^ 8 5 9 A Bag breaks open; included as delay in the allowance factor ^ Conveyor jams; included as delay in the allowance factor a) The standard time for this process = 86.02 seconds (round your response to two decimal places). b) The number of observations that are required for a 99% confidence level within 5% accuracy = observations (round your response up to the next whole number)