The probability distribution of a random variable X is given below- X-x 0 1 2 3- PX-x 1-10 2-10 3-10 4-10- -Then the variance of X is

Mean μ=2 σ^2+μ^2=5 ⇒σ^2=1 ...

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Coefficient of Variation

The probabili...

Question

The probability distribution of a random variable X is given below:

$\begin{matrix} X = x & 0 & 1 & 2 & 3 P (X - x) & \frac{1}{10} & \frac{2}{10} & \frac{3}{10} & \frac{4}{10} \end{matrix}$

Then the variance of X is

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Similar questions

The probability distribution of a random variable X is given below:

$\begin{matrix} X = x & 0 & 1 & 2 & 3 P (X - x) & \frac{1}{10} & \frac{2}{10} & \frac{3}{10} & \frac{4}{10} \end{matrix}$

Then the variance of X is

The probability distribution of a random variable X is given below:

$\begin{matrix} X = x & 0 & 1 & 2 & 3 P (X - x) & \frac{1}{10} & \frac{2}{10} & \frac{3}{10} & \frac{4}{10} \end{matrix}$

Then the variance of X is

x

X = x_{1} : - 2 - 10123

p (X = x_{1}) : 0.1 k 0.2 2 k 0.3 k

x

X

X	1	2	3	4	5
P(X=x)	k	2k	3k	2k	k

X

6

3

X

2

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