Question

if three coins tossed together. find probability of getting two heads?explain..
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Answer 1

Answer:

(i) Exactly two heads. Favourable cases ={HHT,HTH,THH} Probability of getting exactly two heads =83.

(ii) At least two heads. Favourable cases ={HHH,HHT,HTH,THH} Probability of getting at least two heads =84=21.

(iii) At least two tails. Favourable cases ={HTT,THT,TTH,TTT} Probability of getting at least two tails =84=21.

Step-by-step explanation:

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