For the Following Probability Distribution A Determine Ex)

Short Answer

For the following probability distribution:
$$\begin{array} { l l } \mathbf { x } & \mathbf { f x ) } \\0 & 0.01 \\1 & 0.02 \\2 & 0.10 \\3 & 0.35 \\4 & 0.20 \\5 & 0.11 \\6 & 0.08 \\7 & 0.05 \\8 & 0.04 \\9 & 0.03 \\10 & 0.01\end{array}$$
a. Determine Ex).
b. Determine the variance and the standard deviation.