Determine probability of first selecting blue marble


A box contains 30 marbles: 15 red, 10 blue, and 5 green.

a) Two marbles are selected with the replacement. Determine the probability that both marbles are red.

b) Two marbles are chosen without replacement. Determine the probability of first selecting a blue marble, then a green marble.

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Basic Statistics: Determine probability of first selecting blue marble
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