SOLUTION: There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the room. What is the probability that at least one boy is chosen?

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Question 368486: There are 7 girls and 6 boys in a class. Suppose five children are randomly chosen to decorate the room. What is the probability that at least one boy is chosen?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi,

 7 girls and 6 boys in a class. five children are randomly chosen

P( at least one boy) = 1 -P(all girls) = 1 - 7C5/13C5 = 1- .0163 = .9837 

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