- #1
chocok
- 21
- 0
A box contains tickets marked 1,2,...,n. Two tickets are drawn at random from the box. What is the probability the second number drawn is bigger than the first number drawn?
The answer shown is (1-1/n)/2. But... how?
Thanks in advance!
The answer shown is (1-1/n)/2. But... how?
Thanks in advance!