A Population Has a Mean of 400 and a Standard

question 40

Multiple Choice

A population has a mean of 400 and a standard deviation of 25. A sample of 100 observations will be taken. The probability that the sample mean will be greater than 405 is

• A) .9772.
• B) .0228.
• C) .4207.
• D) .3805.

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Definitions:

Scale Reduction

The process of decreasing the size or output level of operations in a business or economic system.

Total Cost

The complete cost of production, including both fixed and variable costs, for a specific level of output.

Variable Cost

Costs that change in proportion to the level of production or sales, such as materials and labor.

Loan

A loan is a sum of money borrowed that is expected to be paid back with interest.