Question

HHHH HHHT HTHH HHTT HHTH HTHT HTTH HTTT TTTT TTTH THTT TTHH TTHT THTH THHT THHH What is the probability that at least three coins land facing tails up?

Answer 1

5/16

Explanation:

As you can see in the 16 given possible outcomes, in 5 of them at least 3 coins land facing up. Since there are 16 outcomes in total, the probability that at least three coins land facing up is 5/16. Hope this helps!