# Proving expected value formula

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• Aug 2nd 2010, 09:20 PM
acevipa
Proving expected value formula
If A and B are independent show that:

$E[AB]=E[A]E[B]$

Note: A and B are discrete random variables
• Aug 2nd 2010, 09:23 PM
pickslides
• Aug 2nd 2010, 09:29 PM
acevipa
Thanks. That was actually pretty straightforward