The Monthly Amounts Spent for Food by Families of Four

question 2

Multiple Choice

The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical,normal distribution. The sample mean is $150 and the standard deviation is $20. Using the Empirical rule,about 95% of the monthly food expenditures are between what two amounts?

• A)$100 and $200
• B)$85 and $105
• C)$205 and $220
• D)$110 and $190

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Definitions:

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