there 900 3-digit integers
(a) only 9 end in 22: 122,222,...,922
Try the others
A 3-digit positive integer is selected at random. Find the probability that
A) The last two digits of the number is 22
B) The number is greater than 900
C) The number is less than 100
D) The number contains at least one digit 8
1 answer
1 answer