Element 3 Problem 10.29 Question Help The Durque 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.) Performance Observation (seconds) Rating 4 Grasp and place bag 110% Fill bag 110" Seal bag 110% 17 12 17 Place bag on conveyor 95% 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 = 34.45 seconds (round your response to two decimal places) 2 9 41 5 7 1 9 35 15 9 80% 8 38 12 35 21 30 5 9 34 b) The number of observations that are required for a 99% confidence level within 5% accuracy - 106 observations (round your response up to the next whole number)