Assume That the Heights of Women Are Normally Distributed with a Mean

question 86

Multiple Choice

Assume that the heights of women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. The cheerleaders for a local professional basketball team must be between 65.5 and 68.0
Inches. If a woman is randomly selected, what is the probability that her height is between 65.5 and 68.0
Inches?

• A)0.1844
• B)0.9608
• C)0.7881
• D)0.3112

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Definitions:

Fixed Expenses

Costs that do not change with the level of production or sales over the short term, such as rent, salaries, and insurance.

Break-even Point

The break-even point is the sales level at which total revenues equal total costs, resulting in neither profit nor loss.

Degree of Operating Leverage

A financial ratio that measures the sensitivity of a company's operating income to its sales volume, showing the impact of fixed costs on earnings.

Net Operating Income

A measure of a company's profitability, calculated by subtracting operating expenses from gross profit, not including non-operating income and expenses, interest, and taxes.