1.

A fair coin is tossed 2n times. The probability of getting as many heads in the first n tosses as in the last n is

Answer»

`(""^(2n)C_(N))/(2^(2n))`
`(""^(2n)C_(n-1))/(2^(n))`
`(n)/(2^(2n))`
NONE of these

Answer :A


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