A College Admissions Officer Takes a Simple Random Sample of 80

question 33

Multiple Choice

A college admissions officer takes a simple random sample of 80 entering freshmen and computes their mean mathematics SAT score to be 469 . Assume the population standard deviation is $\sigma = 95$ . Construct a $90 \%$ confidence interval for the mean mathematics SAT score for the enterin! freshmen class.

• A) \(( 374,564 )\)
• B) \(( 467,471 )\)
• C) \(( 452,486 )\)
• D) \(( 455,483 )\)

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Definitions:

Marginal Utility

The additional contentment or value obtained by consuming one more unit of a good or service.

Utility-maximizing Combination

is a selection of goods and services that provides the highest level of satisfaction or utility to an individual, given their budget constraints.

Total Utility

The total satisfaction received from consuming a particular amount of goods or services.

Technological Advance

The process of developing and applying new technologies and innovations, improving methods of production, efficiency, and creating new products or services.