H= heads
T=Tails
There are 8 possible outcomes of tossing 3 coins which are
HHH,HHT,HTH,HTT, TTT,TTH,THT, THH
Now if we look at all these possibilities, there are only 3 that give 2 heads and one tail which are TTH, HTT, and THT.
So there is a 3/8 chances of getting 2 Heads and 1 tail
ANSWER: 3/8 or .375