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Suppose we have a bag with $10$ slips of paper in it. Eight slips have a $3$ on them and the other two have a $9$ on them.

 What is the expected value of the number shown if we add one additional 9  to the bag?

 Jul 22, 2021
edited by Guest  Jul 22, 2021
edited by Guest  Jul 22, 2021
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The expected value is 48/11.

 Jul 22, 2021

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