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Question

In a throw of a coin , find the probability of getting a head .


Options:
A .  `1/2`
B .  `1/3`
C .  `1/31`
D .  `1/4`
Answer: Option A

Here  S = (H .T) and E = (H)

`:.`      P(E) = `(n(E))/(n(S))` = `1/2`



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