Question

$X~N(1,2)$

$\sigma =$

Short answer

The value of$\sigma$is $2$

Step-by-step solution

Given Information

Given in the question that, $X~N(1,2)$

We have to find the value of$\sigma$

Explanation 

Let's compare the random variable $X$from the general random variable for normal distribution $X~N(\mu ,\sigma )$.

Here, the value of $\mu$is $1$.