Let X be the random variable taking values {\l}, 2, . . ., {\n} for a fixed positive integer n. If {\P}( {\X}= {\k})=\frac{1}{ {\n}} for 1 \leq {\k} \leq {\n}, then the variance of X is [AP EAPCET 27 May 2025 S1]

AP EAPCET 27 May 2025 Shift 1 Paper

Section: Mathematics

Question : 39 of 160

Marks: +1, -0

Let X be the random variable taking values l,2,...,n for a fixed positive integer
n. If P(X=k)=‌

for 1≤k≤n, then the variance of X is

[AP EAPCET 27 May 2025 S1]

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