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:

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

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

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

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