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Mathematics, 04.10.2021 14:00 Wanna14ever
here is a bag with only red marbles and blue marbles. The probability of randomly choosing a red marble is 7 /9 . There are 63 marbles in total in the bag and each is equally likely to be chosen. how many red marbles there must be.
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here is a bag with only red marbles and blue marbles. The probability of randomly choosing a red mar...
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