Homework Clinic
Social Science Clinic => Business => Management => Topic started by: Hungry! on Apr 18, 2020
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A worker was observed for four cycles of a repetitive operation. The observed times for work elements are 11, 10, 8, and 11 seconds, respectively. What sample size is appropriate for estimating the time for this work element within ± 3 percent of the true mean time with 95 percent confidence?
◦ Greater than 70 but fewer than or equal to 75
◦ Greater than 80
◦ Greater than 75 but fewer than or equal to 80
◦ Fewer than or equal to 70
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Greater than 80