SOLUTION: a beg contain 5 red and 6 black balls if 2 balls are selected at random what is probablity of gettimg 1 both balls of same clour

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Question 873728: a beg contain 5 red and 6 black balls if 2 balls are selected at random what is probablity of gettimg
1 both balls of same clour
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Bag with 11 balls: 5R, 6B
two selected
P(both R 0r B) = %285%2F11%29%284%2F10%29+%2B+%286%2F11%29%285%2F10%29= 50/110 = 5/11