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

$100 and $200

$85 and $105

$205 and $220

$110 and $190

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Advanced Statistics, Statistics

Category:- Advanced Statistics
Reference No.:- M9394666

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