Register
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 ??
154k views
0 votes
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 ??

User Brett Porter
by
8.0k points

1 Answer

5 votes
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.
User Yutannihilation
by
7.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

8.2m questions

10.8m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Link Copied!