1. There are 200 people who each have a code. How big is the possibility that one of them has the code 06479?
2. One of the people gets a new code. How big is the possibility that this code begins with 55? The codes consist of 5 numbers
The codes consist of 5 numbers
1/10^5
2. One of the people gets a new code. How big is the possibility that this code begins with 55?
10^3 / 10^5 = 1/100