Concept explainers
Playing marbles. Natasha and Deshawn are playing a game with marbles. Natasha has one marble (call it N), and Deshawn has two (call them M1 and M2 ). They roll their marbles toward a stake in the ground. The person whose marble is closest to the stake wins. Assume that measurements are accurate enough to eliminate ties. List all of the sample points. Use the notation M1 N M2 to denote the sample point when M1 is closest to the stake and M2 is farthest from the stake. If the children are equally skillful (when the sample points are all equally likely), find the probability that Deshawn wins.
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