What is the probability of getting exactly 2 heads, given that the first toss is a head?

Question

asked Jan 3, 2018 203k views

1 Answer

Rodedo · Answer 1 · 2018-01-07T07:54:29+0000

there is a 1/2 probability of getting heads on any one flip

since the first one landed on heads you have a 1/2 probability f getting a 2nd one

Probability = 1/2