Question

student throws 3 coins in the air. Find the probability that exactly 2 landed on heads, given that at least 2 landed on heads.

Answer 1

3/4

Explanation:

Answer 2

Explanation:

Head(H) Tails(T)

Sample space is S (HHH,HHT,HTH,THH)

Event(HHT,HTH,THH)

so the probability is 3/4