Element Grasp and place bag Fill bag Seal bag Place bag on conveyer 1 8 36 15 8 Obervations (seconds) 2 3 4 9 8 41 39 17 13 6 9 5 11 35 20 30

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.a) Compute the standard time for the bag-packing task.b) How many observations are necessary for 99% confidence,within 5% accuracy?Please show all calculations