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calculate the value of E(Y)

Forums: Probability
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sofia mercedez
 
Reply Sun 13 Jan, 2013 06:05 am
b) If E(X)=5 , then calculate the value of E(Y) . Where Y is defined as Y=3X+5?

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Type: Question • Score: 0 • Views: 1,012 • Replies: 1
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markr
 
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Reply Sun 13 Jan, 2013 03:45 pm
@sofia mercedez,
Since Y is a linear function of X, E(Y) = 3*E(X)+5 = 20.
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