The Dean of Admissions in a Large University Has Determined

question 46

Multiple Choice

The dean of admissions in a large university has determined that the scores of the freshman class in a mathematics test are normally distributed with a mean of 82 and a standard deviation of 8. Based on this information, what is the probability that the mean score of a sample of 64 students is at least 80?

• A) .0987
• B) .4772
• C) .5987
• D) .7885
• E) .9772

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Definitions:

Economic Efficiency

The optimal use of resources to maximize the production of goods and services, minimizing waste and costs.

Economic Efficiency

A state where resources are allocated in a way that maximizes the production of goods and services at the lowest cost.

Costs

represent the total expenditures required to produce a good or service, including materials, labor, and overhead.

Benefits

Advantages or payments made to employees or members of insurance or social welfare programs.