Q40 of 53 Page 15

Three coins are tossed together. Find the probability of getting

(i) exactly two tails


(ii) at least one head


(iii) at least one head and one tail

Total number of outcomes = (HHH),(HHT),(HTH),(THH),(TTH),(TTT),(THT),(HTT)


(i) P(exactly two tails) =


(ii) P(at least one head) =


(iii) P(at least one head and one tail) = 1


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