Determine Whether the Following Is a Probability Distribution

question 106

Essay

Determine whether the following is a probability distribution. If not, identify the requirement that is not satisfied.
- $$\begin{array} { r | r } \mathrm { x } & \mathrm { P } ( \mathrm { x } ) \\\hline 0 & 0.157 \\1 & 0.221 \\2 & - 0.060 \\3 & 0.084 \\4 & 0.166 \\5 & 0.432\end{array}$$

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