Three coins are tossed. Let the event H = all Heads and the event K = at least one Heads. 1. P(H∩K) = 2. The probability that

Three coins are tossed. Let the event H = all Heads and the event K = at least one Heads.
1. P(H∩K) =
2. The probability that the outcome is all heads if at least one coin shows a head
3. P(K) =
Choices:
7/8
1/7
1/8