Trevor has a secret number composed of 2 digits that are not repeated what is the probability of someone guessing trevor's number? and explain ??

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asked Dec 22, 2019 154k views

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Yutannihilation · Answer 1 · 2019-12-28T11:05:33+0000

22 digits that means it goes from 10-99, excluding numbers such as 11, 22, 33, 44, 55, 66, 77, 88, 99. Therefore, the amount of secret numbers is 81. The probability of someone guessing it is 1/81.

Trevor has a secret number composed of 2 digits that are not repeated what is the probability of someone guessing trevor's number? and explain ??

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