There are 8 permutations of flipping a coin 3 times, or of flipping 3 coins one time. They are, with the permutations of two heads bolded...
TTT
TTH
THT
THH
HTT
HTH
HHT
HHH
... thus, the probability of flipping a coin 3 times and getting 2 heads is 3 in 8, or 0.375.
Chat with our AI personalities
The probability of flipping three heads when flipping three coins is 1 in 8, or 0.125. It does not matter if the coins are flipped sequentially or simultaneously, because they are independent events.
33%
the probability of getting heads-heads-heads if you toss a coin three times is 1 out of 9.
For 3 coin flips: 87% chance of getting heads at least once 25% chance of getting heads twice 13% chance of getting heads all three times
7/8