The probability of 'heads' on any flip is 50% .
If the coin is not biased, the answer is 0.375
The probability of the coin flip being heads or tails is 100%.
It is 0.5
It is 0.1042
50%. there are only 2 choices heads or tails and that doesn't change no matter how many times you flip the coin
It is approx 0.1445
The probability of a flipped coin landing heads or tails will always be 50% either way, no matter how many times you flip it.