A company wants to determine the proportion of time workers are idle.

1.

A company wants to determine the proportion of time workers are idle. In a pilot study, the proportion of idle time was found to be 0.16. If the company wants to be 95% confident (z-value = 1.96) that the estimated value is within 0.03 of the true proportion, the number of observations required in the study should be

A. 374

B. 474

C. 574

D. 674

Answer» D. 674

Discussion

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1.	A company wants to determine the proportion of time workers are idle. In a pilot study, the proportion of idle time was found to be 0.16. If the company wants to be 95% confident (z-value = 1.96) that the estimated value is within 0.03 of the true proportion, the number of observations required in the study should be
A.	374
B.	474
C.	574
D.	674
Answer» D. 674

Discussion

No Comment Found

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