Question

3 letters are typed, with repetition allowed. What is the probability that all 3 will be vowels? Write your answer as a percent. Round to the nearest hundredth of a percent as needed.

Answer 1

of the 26 letters, 5 are vowels

prob (3 vowels of 3)
= (5/26)(5/26)(5/26)
= appr .0071
or .01 to the nearest hundredth

Answer 2

.0071 converted to a percentage (multiply by 100) is 0.71 % to the nearest 100th percent.