Twelve marbles are placed in a hat, three are black, two blue, one green, four white...

Twelve marbles are placed in a hat, three are black, two blue, one green, four white and two red. Two marbles are drawn out at random, without replacement. Find the probability that

(a). Both marbles are black.

(b).one of them is red, and the other is green.

(c). Neither marble is white.

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Expert Solution

orchestra answered 1 year ago

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