A gambler throws a single fair die once. If the amount shown is x, then he will be paid a total of T = $x2. For example, if he throws a 5, then he will receive a total of T = $52 = $25. Question: What is the Expected Value E(T) of his payout T?

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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A gambler throws a single fair die once. If the amount shown is x, then he will be paid a total of T = $x2. For example, if he throws a 5, then he will receive a total of T = $52 = $25.

Question: What is the Expected Value E(T) of his payout T?

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