If a coin be tossed \( n \) times then probability that the head comes odd times is (1) \( \frac...

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If a coin be tossed \( n \) times then probability that the head comes odd times is
(1) \( \frac{1}{2} \)
(2) \( \frac{1}{2^{n}} \)
(3) \( \frac{1}{2^{n-1}} \)
(4) \( 2^{n-1} \)
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