The Following Probability Distribution Represents the Number of Grievances Filed $$\begin{array} { l l } x&fx)\\0&0.04\\1&0.36\\2&0.50\\3&0.08\\4&0.02\end{array}$$

Short Answer

The following probability distribution represents the number of grievances filed per month with the MNM. Corporation.
$$\begin{array} { l l } x&fx)\\0&0.04\\1&0.36\\2&0.50\\3&0.08\\4&0.02\end{array}$$
a. Determine the expected value of the number of grievances in a month.
b. Determine the variance.
c. Compute the standard deviation.