Mathematics, 27.07.2019 08:00, helplessstudent3

You have a jar of marbles. there are 15 red, 20 blue,7 green, and 18 red marbles. you choose one at random then replace it and choose another. what is the probability of both being blue?

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You have a jar of marbles. there are 15 red, 20 blue,7 green, and 18 red marbles. you choose one at...

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