If a coin be tossed n times then probability that the head comes odd t

1.	If a coin be tossed n times then probability that the head comes odd times is [RPET 2002]
A.	\[\frac{1}{2}\]
B.	\[\frac{1}{{{2}^{n}}}\]
C.	\[\frac{1}{{{2}^{n-1}}}\]
D.	None of these
Answer» B. \[\frac{1}{{{2}^{n}}}\]

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If a coin be tossed n times then probability that the head comes odd times is [RPET 2002]

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