SOLUTION: a statistics professor writes 15 problems on cards, 1 problem per card. The problems include 6 easy, 5 medium, and 4 hard problems. a student draws 3 cards at random from the set f

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Question 822210: a statistics professor writes 15 problems on cards, 1 problem per card. The problems include 6 easy, 5 medium, and 4 hard problems. a student draws 3 cards at random from the set find the probability of 2 easy and 1 medium problem
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 

Hi,

15 problems include 6 easy, 5 medium, and 4 hard problems  

P(choosing:2 easy and 1 medium) =  

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