Question

suppose you roll two number cubes and pick a letter from the alphabet at random. find the probability that you roll 2 even numbers and pick one of the vowels a,e,i,o or u

Answer 1

1: 1 2 3 4 5 6
2: 1 2 3 4 5 6
3: 1 2 3 4 5 6
4: 1 2 3 4 5 6
5: 1 2 3 4 5 6
6: 1 2 3 4 5 6 
36 possible number combinations
9 are even-even
so 25% for the dice
and for 5/26 letters
.25 x probability of 5/26
so for one letter 1/26 = x/100
so 5/26 = x/100
x = 19.23%
so .25 x .1
or about 4.81 percent