SOLUTION: One box contain four cards no. 1,3,5 and 6. Another box contains 5 cards numbered 2,4,7,8 and 9. One card is draw from each bag. Find the probability and the sum is prime no

Algebra ->  Permutations -> SOLUTION: One box contain four cards no. 1,3,5 and 6. Another box contains 5 cards numbered 2,4,7,8 and 9. One card is draw from each bag. Find the probability and the sum is prime no       Log On


   

Question 1040030: One box contain four cards no. 1,3,5 and 6. Another box contains 5 cards numbered 2,4,7,8 and 9. One card is draw from each bag. Find the probability and the sum is prime no
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
prime numbers of concert:
2,3,5,11,13
There are 20 possible draws, 4 from the first and each of those paired with 5 from the second.
1+2
1+4
3+2
3+4
3+8
5+2
5+8
6+7
There are 8 of 20, so 2/5 or 40%.