Suppose you have a box with 3 blue marbles, 2 red marbles and 4 yellow marbles.

Question

Suppose you have a box with 3 blue marbles, 2 red marbles and 4 yellow marbles. You are going to pull out one marble, record it's color, put it back in the box and draw another marble. What is the probability of pulling out a red marble followed by a blue marble? Suppose you have a box with 3 blue marbles, 2 red marbles and 4 yellow marbles. You are going to pull out one marble, record it's color, put it back in the box and draw another marble. What is the probability of pulling out a red marble followed by a blue marble?

Explanation / Answer

probabilty of pulling out a red marble followed by a blue marble =P(blue marble then picking red marble)

=(3/9)*(2/9) =2/27

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