SOLUTION: If Cole flips a coin three times, what is the probability that he will flip tails, at least twice?

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Question 1026416: If Cole flips a coin three times, what is the probability that he will flip tails, at least twice?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
The sample space when tossing 3 coins is [HHH, HHT, HTH, HTT, THH, THT, TTH, TTT]
n(S) = 8
at least two tails A= [ HTT,THT, TTH, TTT]
n(A) = 4
P(A) = n(A)/n(S)
=4/8
=1/2