Five fair six-sided dice are rolled. What is the probability that exacty two of the dice are 1?
D=5; C=2; ((D nCr C * 5^(D-C)) =5 nCr 2 * 5^(5 - 2) =10 x 125 =1,250 / 6^5 =625 / 3,888
5/1296
