tails
The probability of the coin flip being heads or tails is 100%.
Heads have a person on it. Tails have something else on it.
The probability of a fair coin landing on heads or tails is even, i.e. 50/50.
None, since that would imply that in 18 cases the coin did not show heads or tails!
It was heads.
Heads
tails
It was heads
heads
7
Heads+Heads ; Heads+Tails ; Tails+Tails
nfc it was heads
There are 8 possible outcomes when a coin is tossed 3 times. Here they are:1. Heads, Heads, Tails.2. Heads, Tails, Heads.3. Tails, Heads, Heads.4. Heads, Heads, Heads.5. Tails, Tails, Heads.6. Tails, Heads, Tails.7. Heads, Tails, Tails.8. Tails, Tails, Tails.There is only one outcome that is heads, heads, heads, so the probability of three heads coming up in three coin tosses is 1 in 8 or 0.125 for that probability.
tails
The probability of the coin flip being heads or tails is 100%.
1heads heads heads 2heads heads tails 3heads tails heads 4heads tails tails 5tails tails tails 6tails tails heads 7tails heads tails 8tails heads heads