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
Correct Answer:

Verified
Correct Answer:
Verified
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