A thief steals an ATM card and must randomly guess the correct pin code that consists of four digits (0 through 9) that must be entered in the correct order. Repetition of digits is allowed. What is the probability of a correct guess on the first try?

1

Jawapan

2016-03-12T22:59:33+08:00
The thief have 1/10 chance of guessing one number correct and it is 0 through 9. There is only four digits.
1/10 * 1/10 * 1/10 * 1/10 =
1/10^4 =
1/10000

Additional:
Percentage -
10% ^ 4 =
0.001%