Question: A manager who is conducting a time study now needs an accuracy of 0.1 minutes, rather than 0.05 minutes as in the past. Because of

A manager who is conducting a time study now needs an accuracy of 0.1 minutes, rather than 0.05 minutes as in the past. Because of this change in accuracy, the new required sample size becomes:

one-fourth as large.

one-half as large.

twice as large.

four times as large.

one-tenth larger.

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