Mean or Expected Value and Standard Deviation · Exercise 1

Complete the expected value table.

$$\begin{array}{ccc}\text{x}& \text{P(x)}& \text{x*P(x)}\\ \text{0}& \text{.2}& \\ \text{1}& \text{.2}& \\ \text{2}& \text{.4}& \\ \text{3}& \text{.2}& \end{array}$$

Its source prints no answer for this problem, so there's nothing to check against.

OpenStax, Statistics · §4.2 Mean or Expected Value and Standard Deviation · Exercise 1