25-02-2019
Mathematics

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Jessica has a bag of marbles. there are 7 red and 3 blue. she reaches in and pulls out a red on the first draw. she then reaches in for her second draw, without replacing the first marble. what is the probability that Jessica will pull out 2 red marbles

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25-02-2019

I think it's 2 1/3 chances to pick out 2red marbles.

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