A fair coin is tossed \(n\) times. The probability that the difference between the number of heads and tails is \(\left( {n - 3} \right)\) is

\({}_\;^n{C_{n - 3}}{2^{ - n}}\)

A fair coin is tossed \(n\) times. The probability that the differenc

1.	A fair coin is tossed \(n\) times. The probability that the difference between the number of heads and tails is \(\left( {n - 3} \right)\) is
A.	\({2^{ - n}}\)
B.	0
C.	\({}_\;^n{C_{n - 3}}{2^{ - n}}\)
D.	\({2^{ - n + 3}}\)
Answer» C. \({}_\;^n{C_{n - 3}}{2^{ - n}}\)

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A fair coin is tossed \(n\) times. The probability that the difference between the number of heads and tails is \(\left( {n - 3} \right)\) is

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