Arithmetic Ability
 Probability

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Q.

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

View Answer

Correct choice: D

Explanation:

Here, S={HH,HT,TH,TT} Let E be the event of getting one head E={TT,HT,TH} P(E )= n(E)/n(S) =3/4
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