You have 3 red marbles, 5 green, and 2 blue marbles. What is the probability of pulling a blue marble and then replacing the first marble and then grabbing a green marble? (As a percent)

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Nadav asked Jul 15, 2022

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21 votes

You have 3 red marbles, 5 green, and 2 blue marbles. What is the probability of pulling a blue marble and then replacing the first marble and then grabbing a green marble?

(As a percent)

Mathematics
high-school

Nadav asked Jul 15, 2022

by Nadav

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13 votes

Answer:

I think it's
.

Why 7/10?

Well, the probability of pulling out a blue marble + pulling out a green marble is also written as

Javier Eguiluz answered Jul 19, 2022

by Javier Eguiluz

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