What Proportion of a Normal Distribution Is Located Between Z

question 18

Multiple Choice

What proportion of a normal distribution is located between z = -1.25 and z = +1.25?

• A)0.8944
• B)0.2112
• C)0.3944
• D)0.7888

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Definitions:

Weekly Operating Profits

Weekly operating profits describe the earnings a business generates from its normal operations over a one-week period, excluding any income from investments or other non-operational sources.

Short Run

An interval in economic studies where a minimum of one production element remains constant and is unalterable.

Variable Costs

Expenses that change in proportion to the activity of a business.

Short Run

A time period in economics during which at least one input, such as plant size, is fixed and cannot be altered.