The Mean Amount Spent by a Family of Four on Food

question 57

Multiple Choice

The mean amount spent by a family of four on food is $500 per month with a standard deviation of $75. Assuming that the food costs are normally distributed,what is the probability that a family spends less than $410 per month?

• A)0.2158
• B)0.8750
• C)0.0362
• D)0.1151

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Definitions:

Percent

A mathematical term referring to a part of a whole expressed in hundredths.

American Stores

Retail outlets or shops located in the United States that sell various goods and services.

Total Merchandise

The complete range of goods that a company has for sale or the cumulative amount of goods sold.

Shoplifted

The act of unlawfully taking goods from a store without making a purchase.