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Based on a Recent Gallup Survey, We Define the Following

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Based on a recent Gallup survey, we define the following probability model for the number X of daily cups of coffee consumed by Americans.


X01234 or more  Probability 0.360.260.190.09?\begin{array} { | l | l | l | l | l | l | } \hline X & 0 & 1 & 2 & 3 & 4 \text { or more } \\\hline \text { Probability } & 0.36 & 0.26 & 0.19 & 0.09 & ? \\\hline\end{array} What is the probability that an American consumes at most 1 cup of coffee daily?

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