An instant lottery ticket consists of a collection of boxes cpvered with gray wax. For a subset of the boxes, the gray wax hides a special mark. If a player scratches off the correct number of the marked boxes (and no boxes without mark), then that ticket is a winner, Design an instant lottery game in which a player scratches five boxes and the probability that a tickert is a winner is approximately 0.01.(adsbygoogle = window.adsbygoogle || []).push({});

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my answer:(1/2)^n * (n choose 5) =0.01

is it right? thans~

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# Lottery ticket problem (probability)

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