A 95% Confidence Interval for the Population Proportion of Professional

question 25

Multiple Choice

A 95% confidence interval for the population proportion of professional tennis players who earn more than 2 million dollars a year is found to be between .82 and .88. Given this information, the sample size that was used was approximately:

• A) 545
• B) 382
• C) 233
• D) 387
• E) 480

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Definitions:

Cognitive Needs

The mental requirements that drive individuals to seek knowledge, information, and understanding, necessary for problem-solving and intellectual growth.

Work Teams

Small groups of employees who are brought together to accomplish specific tasks and objectives within an organization.

Environmental Factors

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Climate

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