The letters of the word Mississippi are placed in a hat. What is the probability that the first two letters drawn are both "i" if the first letter drawn is not replaced?
There are 11 letters in the hat to begin with, 4 of which are i's.
ths of the time the first letter drawn will be an "i".
Of those
ths of the time when the first letter is an "i",
ths of those times, the second letter will also be an "i",
because ther will be only 10 letters of which only 3 are i's. So
ths of
ths is 



ths of the time the first two will be "i"'s.
Edwin