SOLUTION: A box contains 50 index cards. One letter is written on each card. There are 5 cards with the letter A 5 cards with the letter E 7 cards with the letter H 10 cards with the let

Algebra ->  Probability-and-statistics -> SOLUTION: A box contains 50 index cards. One letter is written on each card. There are 5 cards with the letter A 5 cards with the letter E 7 cards with the letter H 10 cards with the let      Log On


   



Question 847251: A box contains 50 index cards. One letter is written on each card. There are
5 cards with the letter A
5 cards with the letter E
7 cards with the letter H
10 cards with the letter M
3 cards with the letter S
20 cards with the letter T
If one card is selected, not replaced, and the second card selected, determine p(neither is a vowel)

Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
We find that there are 5 + 5 = 10 vowels, while there are 7+10+3+20 = 40 consonants.
p(neither is a vowel) = p(consonant) * p(consonant | first was consonant) = 40/50 * 39/49 = 0.6367