Question

Assume a jar has 7 red marbles and 3 black marbles. Draw out 3 marbles, with and without replacement. Find the requested probabilities.

(A) p(3 black marbles) with replacement, without replacement.

(B) p(1 red marble and 2 black marbles) with replacement, without replacement.

(C) p(red on the first draw and black on the second draw, and black on the third draw) with replacement, without replacement.

Answer 1

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