99% of these households spent less than what amount?

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answerhappygod
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99% of these households spent less than what amount?

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In 2001, 61.3% of U.S. households spent an average of $36.16 on ground coffee. Assume that these expenditures are a normally distributed random variable with mean = $36.16 and standard deviation = $10.
99% of these households spent less than what amount?


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