We thoroughly check each answer to a question to provide you with the most correct answers. Found a mistake? Tell us about it through the REPORT button at the bottom of the page. Ctrl+F (Cmd+F) will help you a lot when searching through such a large set of questions.
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.