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Question
Three fair coins are tossed together. Find the probability of getting atleast one tail
Solution
Three fair coins are tossed together
Sample spade = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}
n(S) = 8
Let B be the event of getting atleast one tail.
B = {HHT, HTH, HTT, THH, THT, TTH, TTT}
n(B) = 7
P(B) = `("n"("B"))/("n"("S")) = 7/8`
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