Question

Three coins are tossed in the air, one at a time. What is the probability that the third coin will be heads?

Answer 1

½

Explanation:

Trials are independent

If the coin is unbiased,

P(T) = P(H) = ½ for every trial

Answer 2

1/2

Explanation:

We only care about the third coin

we could get heads or tails on the third flip

P (third coin will be heads) = outcome heads / total

=1/2