Biomedical Engineering > GATE 2023 > Probability
For a Binomial random variable X, E(X) and Var(X) are the expectation and variance, respectively. Which one of the following statements CANNOT be true?
A
E(X)=20 and Var(X)=16
B
E(X)=6 and Var(X)=5.4
C
E(X)=10 and Var(X)=15
D
E(X)=64 and Var(X)=12.8

Correct : c

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binomial random variable expectation and variance binomial distribution properties GATE Biomedical Engineering 2023 GATE BM 2023 Q12 probability and statistics GATE mean and variance of binomial distribution

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