Mht Cet
Statistics
MHT CET 2024 2nd May Evening Shift
MCQ+2 / -02024
A random variable $X$ has the following probability distribution
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| $\mathrm{X=}x_i$: | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| $\mathrm{P(X=}x_i)$ : | 0.2 | 0.4 | 0.3 | 0.1 |
The mean and variance of X are respectively