A 95% Confidence Interval for the Population Proportion of Professional

question 17

Multiple Choice

A 95% confidence interval for the population proportion of professional tennis players who earn more than $2 million per year is found to be between 0.82 and 0.88.Given this information, the sample size that was used was approximately:

• A) 545.
• B) 382.
• C) 233.
• D) 387.

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Definitions:

Little Albert

An early 20th-century experiment in classical conditioning where a young child was conditioned to fear a white rat, showcasing how emotional responses could be conditioned.

White Rat

Traditionally used as a subject in psychological and medical research because of its genetic uniformity and ease of observation.

Classical Conditioning

A training method in which pairing two stimuli repeatedly leads to a response originally produced by the second stimulus now being produced by only the first stimulus.

Hate

A strong emotion of dislike or hostility towards someone or something.