# Difference between revisions of "Expected value"

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− | The Expected value is the average of the possible outcomes of an event. For example, when rolling a die, the expected value is (1+2+3+4+5+6)/6 = 3.5. | + | The Expected value is the (weighted) average of the possible outcomes of an event. For example, when rolling a die, the expected value is (1+2+3+4+5+6)/6 = 3.5. |

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## Revision as of 08:56, 9 July 2009

The Expected value is the (weighted) average of the possible outcomes of an event. For example, when rolling a die, the expected value is (1+2+3+4+5+6)/6 = 3.5.