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What must be the probability of outcome D tocomplete the probability distribution shownbelow?

What must be the probability of outcome D tocomplete the probability distribution-example-1

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SOLUTION

Notice that the total probability in a distribution is 1

This implies that the probability outcome of D is


\begin{gathered} 1-(0.35+0.05+0.1+0.2) \\ =0.3 \end{gathered}

Therefore the required probability is 0.3

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