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Three coins are tossed simultaneously . Condition for event A: To get at least two heads. condition for event B : To get no head. Condition for event C : To get head on the second coin. |
Answer» Three coins are tossed simultaneously. `therefore"the sample space"` `S={"HHH, HHT, HTH, THH, HTT, THT, TTH, TTT"}.` `thereforen(S)=8.` Condition for event A : To get at least two heads. `thereforeA={HHH,HHT,HTH,THH}" "thereforen(A)=4.` Condition for event B : To get no head. `thereforeB={"TTT"}" "thereforen(B)=1.` Conditions for event C : To get head on the second coin. `thereforeC={HHH,HHT,THH,THT}" "thereforen(C)=4.` |
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