Difference between revisions of "Expected value"

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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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The "expected value" or "expectation" 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 22:54, 28 August 2009

The "expected value" or "expectation" 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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