The U.S. Department of Labor wants to estimate the percentage of females in the labor force to

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Question:

The U.S. Department of Labor wants to estimate the percentage of females in the labor force to within ±5% with 90% confidence. As a planning value they use 46% as the reported percentage of females in the labor force of EU (European Union) countries. How many employment records should be sampled?

A. 121.

B. 269.

C. 451.

D. 382.

E. 1000.