Mathematics
Mathematics, 03.03.2021 21:10, holytreesaroy

There are 4 balls in a bag, each of a different color. 4 balls are picked out of the bag randomly, one at a time, and after the color is recorded, the ball is put back into the bag. What is the probability that the same ball was picked 4 times?

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There are 4 balls in a bag, each of a different color. 4 balls are picked out of the bag randomly, o...

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