Q19 of 47 Page 1

Three distinct coins are tossed together. Find the probability of getting

(i) at least 2 heads (ii) at most 2 heads.

Total number of possible outcomes=2n=23=8


(HHH, TTT, HHT, THH, THT, HTH, TTH, HTT)


(i) Possible outcomes of at least two heads = 4


(HHT, THH, HHH, HTH)



(ii) Possible outcomes of at most two heads = 7


(HHT, TTT, THH, THT, HTH, TTH, HTT)



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