There are four possible outcomes when two coins are flipped: HH, HT, TH, TT. Since the coins are fair, each of these outcomes is equally likely. Therefore, the probability that both coins display heads is 1/4, because there is only one outcome (HH) out of the four possible outcomes where both coins show heads.
So, the answer is 1/4.
Two fair coins are flipped at the same time. What is the probability they both display heads?
1/8
1/4
1/3
1/2
1 answer