Find change in accuracy the adequate sample size becomes


A manager who is conducting a time study now needs an accuracy of =0.1 minutes, rather than =0.2 minutes as in the past. Because of this change in accuracy the adequate sample size becomes? a. one fourth as large. b. one half as large. c. twice as large. d four times as large e. non of the above

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Operation Management: Find change in accuracy the adequate sample size becomes
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