*We thoroughly check each answer to a question to provide you with the most correct answers. Found a mistake? Let us know about it through the REPORT button at the bottom of the page.*

Suppose that f(x) = 0.125x for 0 < x < 4. Determine the mean and variance of X.

**Answer:** Mean: 8/3, Variance: 8/9

## Explanation

Let the probability density function f of the random variable X be given as:

### Was this helpful?

Let us know if this was helpful. That’s the only way we can improve.