a) The standard time for this process?

b) The number of observations that are required for a 99% confidence level within 5% accuracy =

Score: 0 of 1 pt 2 of 6 (6 complete) HW Score: 69.44%, 4.17 of 6 pts X Problem 10.29 Question Help 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 20% allowance for workers. (Round all intermediate calculations to two decimal places before proceeding with further calculations.) 5 7 Element Grasp and place bag Fill bag Seal bag Place bag on conveyor Performance Rating 115% 80% 100% 90% 1 8 35 16 8 Observation (seconds) 2 3 4 9 7 10 42 40 34 18 13 20 7 10 31 112* 17 34 * 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 = seconds (round your response to two decimal places). Enter your answer in the answer box and then click Check Answer. ? 1 part Clear All Check Answer remaining