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

Question

Zanzabum

3 years ago

9

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

r? and explain ??

Mathematics

1 answer:

seropon [69] · Answer 1 · 2021-11-25T16:16:22+03:00

seropon [69]3 years ago

7 0

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.