# Three coins are tossed together. Find the probability of getting:(i) exactly two heads(ii) at least two heads(iii) at least one head and one tail(iv) no tails

Possible outcome of tossing three coins are: HTT, HHT, HHH, HTH, TTT, TTH, THT, THH

Numbers of outcomes of exactly two heads are: 3

Probability of getting exactly two heads is = Therefore Probability of getting exactly two heads is Possible outcome of tossing three coins are: HTT, HHT, HHH, HTH, TTT, TTH, THT, THH

Numbers of outcomes of atleast two heads are: 4

Probability of getting atleast two heads is = Therefore Probability of getting atleast two heads is (iii) at least one head and one tail

Possible outcome of tossing three coins are: HTT, HHT, HHH, HTH, TTT, TTH, THT, THH

Numbers of outcomes of at least one head and one tail are: 6

Probability of getting at least one head and one tail is = Therefore Probability of getting at least one head and one tail is (iv) no tails

Possible outcome of tossing three coins are: HTT, HHT, HHH, HTH, TTT, TTH, THT, THH

Numbers of outcomes of no tails are: 1

Probability of getting no tails is = Therefore Probability of getting no tails is Rate this question :

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