Given n numbers, n > 1, of which, one is \(1-\dfrac{1}{n}\) and all others are 1's. The mean of the n numbers is

1
1
2
\(n-\dfrac{1}{n^2}\)
3
\(n-\dfrac{1}{n}\)
4
\(1-\dfrac{1}{n^2}\)

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