SOLUTION: Suppose a fair coin is tossed twice. Find the probability for each of the following: exactly one head, at least one head, at most one head. Please help. Thank you!

Algebra ->  Probability-and-statistics -> SOLUTION: Suppose a fair coin is tossed twice. Find the probability for each of the following: exactly one head, at least one head, at most one head. Please help. Thank you!      Log On


   

Question 259280: Suppose a fair coin is tossed twice. Find the probability for each of the following: exactly one head, at least one head, at most one head.
Please help. Thank you!
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
P(1 head) = 2/4 = 1/2
P(at most one) = p(0 or 1 head) = 3/4