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Mathematics, 10.03.2021 03:50 dxpebetty64

You have a bag that contains 7 red marbles and 5 blue marbles. You randomly choose one of the marbles. Without replacing the first marble, you choose a second marble. Find the probability of the event. Choosing a red marble and then a blue marble

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You have a bag that contains 7 red marbles and 5 blue marbles. You randomly choose one of the marble...
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