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Find the Mean and Standard Deviation of the Probability Distribution xP(x)0.1251.4282.2563.1084.083\begin{array} { c | c } x & P ( x ) \\\hline 0 & .125 \\1 & .428 \\2 & .256 \\3 & .108 \\4 & .083\end{array}

Question 171

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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. xP(x)0.1251.4282.2563.1084.083\begin{array} { c | c } x & P ( x ) \\\hline 0 & .125 \\1 & .428 \\2 & .256 \\3 & .108 \\4 & .083\end{array}

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