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2 votes
Suppose you pick and replace marbles from a bag, one after another. If the bag

contains 3 red marbles, 3 white marbles, and 6 blue marbles, what is the probability of
picking a red marble and then a blue marble?


User Shahi
by
7.9k points

1 Answer

4 votes

Answer:

1/8

Explanation:

There are 3 + 3 + 6 = 12 marbles in the bag and 12 * 12 = 144 ways to choose two marbles when replacing. There are 3 * 6 = 18 ways to choose a red marble and then a blue marble so the probability is 18 / 144 = 1 / 8.

User Jayson Ash
by
8.0k points

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