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July 15th, 2009, 12:39 PM   #1
 
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Suppose that prices of a certain model of new homes

Suppose that prices of a certain model of new homes
are normally distributed with a mean of $150,000. Use the 68-95-99.7 rule to find the percentage of buyers who paid:

a)34%
b)47.5%
c)68%
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