Question

a computer genreates a random 3 digit number between 000 and 999. what is the probability that the computer will generate a number with 3 repeated digits(000,111,222,etc)?

Answer 1

10/1000

Answer 2

the sample space will be number of numbers frm 000 to 999 i.e. 1000

Answer 3

so the required numbers to generate by computer are 000,111,222 till 999 so these are 10 numbers. . probability is = number of favorable cases/total number of cases