SOLUTION: a coin is tossed twiced . find probability that at least one head turns up .

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Question 1099424: a coin is tossed twiced . find probability that at least one head turns up .
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Look at the possible outcomes,
HH HT TH TT
At least one head turns up in 3 out of 4 outcomes,
P=3%2F4