Question
Data Science and Artificial Intelligence Question on Probability
Consider the following statements :
(i) The mean and variance of a Poisson random variable are equal.
(ii) For a standard normal random variable, the mean is zero and the variance is one.
Which ONE of the following options is correct ?
A
Both (i) and (ii) are true
B
(i) is true and (ii) is false
C
(ii) is true and (i) is false
D
Both (i) and (ii) are false
Answer
Both (i) and (ii) are true
Explanation
Solution
The correct option is (A) : Both (i) and (ii) are true.