Essay
In a recent survey of 574 employees,15.5% indicated that they were not in favor of a particular plan.What is the level of confidence associated with the interval of 12.85% to 19.89%?
Correct Answer:
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zα/2
= (0.1989 - 0.1285)/2 = ...
= (0.1989 - 0.1285)/2 = ...
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