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If the Manager Wants to Be 95

Question 142

Multiple Choice

If the manager wants to be 95.44 percent confident that the true proportion of time spent mowing is within .02 (plus or minus) of the sample proportion,what should be her revised sample size?


A) 400
B) 1,000
C) 1,600
D) 2,000
E) 2,500

Correct Answer:

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