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 25 25% allowance for workers. (Round all intermediate calculations to two decimal places before proceeding with further calculations.)

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).

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Question Help Problem 10.29 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 25% allowance for workers. (Round all intermediate calculations to two decimal places before proceeding with further calculations.) Performance Observation (seconds) Rating 105% 80% 110% 90% Element Grasp and place bag Fill bag Seal bag Place bag on conve 12 35 19 29A 112 38 13 42 37 15 35A Bag breaks open; included as delay in the allowance factor A Conveyor jams; included as delay in the allowance factor a) The standard time for this processseconds (round your response to two decimal places) Enter your answer in the answer box and then click Check Answer Check Answer Clear All part remaining