Mathematics
Mathematics, 28.07.2019 22:30, camdynmmm

You have a jar of marbles in front of you with the following colors: 7 - red, 12 - blue, 6 - yellow and 9 - white. what are the odds of selecting marble that is not blue, replacing it and then one that is blue?

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You have a jar of marbles in front of you with the following colors: 7 - red, 12 - blue, 6 - yellow...

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