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0 votes
1.1k views
in Mathematics by (63.7k points)

Two unbiased coin are tossed .what is the probability of getting atmost one head? 

1 Answer

+1 vote
by (57.5k points)
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Best answer

Here S={HH,HT,TH,TT} 

Let Ee = event of getting one head 

E = {TT,HT,TH} 

P(E) = n(E)/n(S) = 3/4

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