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Mathematics, 24.06.2020 18:01 ashiyah74
A box contains 20 different balls numbered from 1 to 20 (different balls have different numbers). At each step, we select a ball uniformly at random, record the number on it, and put it back in the box. This experiment is repeated 10 times. Find the probability that all the numbers recorded were distinct.
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A box contains 20 different balls numbered from 1 to 20 (different balls have different numbers). At...
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