Roll a number cube. If the number cube comes up odd, you win the same number of points as the number on the cube. If the number comes up even, you lose 4 points.What is the expected number of points per roll?

Question

Revolt · Accepted Answer

–0.5

Expected Value

Roll a number cube. If the number cube comes up odd, you win the same number of points as the number on the cube. If the number comes up even, you lose 4 points.What is the expected number of points per roll?

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