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April 25, 2015

Homework Help: math

Posted by Zoe y on Friday, June 13, 2008 at 1:14pm.

Question: It was discovered that 1 outa every 5 selected adults visits disney world every year. If 30 adults are randomly selected what is the probability that exactly 7 of them will visit disney this year?
answer: .154 BUT I CANNOT FIGURE HOW THEY CAME UP WITH THIS ANSWER.. PLEASE HELP!

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