Let Ω = {0, 1, 2} be the sample space for flipping a coin twice where each outcome shows how many heads you got. Which of the following is an event in this space? If it’s an event, give its subset representation and if it’s not an event, explain why.
(1) The coin lands on heads twice.
(2) The coin lands on heads at least once.
(3) The coin lands on heads and then lands on t
(4) The coin lands on heads once and lands on tails once.