Question:medium
A variate \(X\) has the probability distribution:
A. \(E(X)\)
B. \(E(X^2)\)
C. \(E[(2X+1)^2]\)
D. \(\sigma^2\)
A variate \(X\) has the probability distribution:
A. \(E(X)\)
B. \(E(X^2)\)
C. \(E[(2X+1)^2]\)
D. \(\sigma^2\)
A. \(E(X)\)
B. \(E(X^2)\)
C. \(E[(2X+1)^2]\)
D. \(\sigma^2\)
Show Hint
Always expand expressions like \((2X+1)^2\) before taking expectation.
Updated On: May 22, 2026
- A, B, C, D
- B, C, D, A
- B, D, C, A
- A, D, B, C
Show Solution
The Correct Option is D
Solution and Explanation
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