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Three fair coins are tossed together. Find the probability of getting (i) all heads (ii) atleast one tail (iii) atmost one head (iv) atmost two tails.
 
Answer:
 
(i) All heads \(=\) ii
 
(ii) Atleast one tail \(=\) ii
 
(iii) Atmost one head \(=\) ii
 
(iv) Atmost two tails \(=\) ii