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Author Question: An industrial engineer is conducting a time study for a work element. The select time is 7.5 ... (Read 79 times)

Bob-Dole

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on: Apr 18, 2020
An industrial engineer is conducting a time study for a work element. The select time is 7.5 minutes, and the sample standard deviation of the observed time is one minute. What is the appropriate sample size if the estimate is to be 3 percent of the true average time 95 percent of the time?
◦ Greater than 90
◦ Greater than 80 but fewer than or equal to 90
◦ Fewer than or equal to 70
◦ Greater than 70 but fewer than or equal to 80
Operations Management ¦ Krajewski, Ritzman ¦ 7th Edition
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Marked as best answer by Bob-Dole on Apr 18, 2020

momo1250

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Reply #1 on: Apr 18, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Bob-Dole

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Reply 2 on: Apr 18, 2020
YES! Correct, THANKS for helping me on my review

lcapri7

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Reply 3 on: Yesterday
Gracias!

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