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August 2, 2015

Homework Help: Math

Posted by Toni on Monday, October 8, 2012 at 8:18pm.

From experience, the manager of Kramer's Book Mart knows that 30% of the people who are browsing in the store will make a purchase. What is the probability that among ten people who are browsing in the store at least seven will make a purchase?(round answer to four decimal places)

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