Find the Mean and Standard Deviation of the Probability Distribution $$\begin{array} { c | c } x & P ( x ) \\\hline 0 & .125 \\1 & .428 \\2 & .256 \\3 & .108 \\4 & .083\end{array}$$

question 109

Essay

Find the mean and standard deviation of the probability distribution for the random
variable x, which represents the number of cars per household in a small town. $$\begin{array} { c | c } x & P ( x ) \\\hline 0 & .125 \\1 & .428 \\2 & .256 \\3 & .108 \\4 & .083\end{array}$$

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