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OpenStudy (anonymous):
The average selling price of homes in a certain city is $356,300. Assume the variable is normally distributed with a standard deviation of $64,600. If 396 homes are for sale, how many homes will sell for more than $480,000?
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OpenStudy (dumbcow):
z = (480,000 - 356,300)/64,600 find 1-P(X<z) using a standard normal distribution table multiply probability by 396
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