Question: A study has shown that 20 of all college textbooks

A study has shown that 20% of all college textbooks have a price of $184.52 or higher. It is known that the standard deviation of the prices of all college textbooks is $36.35. Suppose the prices of all college textbooks have a normal distribution. What is the mean price of all college textbooks?

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  • CreatedAugust 25, 2015
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