A random variable X has probability distribution as shown. Find the expectation, E(X). x -2 -1 0
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A random variable X has probability distribution as shown. Find the expectation, E(X). x -2 -1 0 1 2 P(X-x) 0.3 0.1 0.15 0.4 0.05
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Related Book For 
A Concise Course In Advanced Level Statistics With Worked Examples
ISBN: 9780748754755
4th Edition
Authors: J. Crawshaw, J. Chambers
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