Three coins are tossed. Let the event T = all Tails and the event k = at least one Tails. What is the probability that the
outcome is all tails is at least one coin shows a tails?
If three coins are tossed, you have a 50% chance that 1 coin will land on Tails. You will have a 25% chance that 2 coins will land on Tails. You will have a 12.5% chance that 3 coins will land on Tails.