Question

A jar contains 3 blue marbles, 4 yellow marbles, and 3 green marbles.

What is the probability of randomly choosing a yellow marble, replacing
it, and then choosing a blue marble?

Answer 1

3/25

Explanation:

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Answer 2

3/25

Explanation:

There are 10 total marbles

P(yellow) = yellow/total = 4/10 = 2/5

We replace it so there are 10 marbles

P(2nd marble blue) = blue /total = 3/10

Multiply the two probabilities together

P(yellow, replace, blue) =2/5*3/10 = 3/25