If E(X)=6 and Var(X)=5, then E(X²) equals:
If E(X)=6 and Var(X)=5, then E(X²) equals:
- A. 41
- B. 31
- C. 36
- D. 11
Answer: A) 41
Explanation: E(X²)=Var(X)+[E(X)]²=5+36=41.
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If E(X)=6 and Var(X)=5, then E(X²) equals:
Answer: A) 41
Explanation: E(X²)=Var(X)+[E(X)]²=5+36=41.
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