Adding a constant value, c, to each term increases the mean, or expected value, by the constant. E(X+c) = E(X)+c. Rule 3. Multiplying a random variable by a constant value, c, multiplies the expected value or mean by that constant. Rule 4. The expected value or mean of the sum of two random variables is the sum of the means. This is also known as the additive law of expectation. E(X+Y) = E(X)+E(Y) Formulas and Rules for the Variance, Covariance and Standard Deviation of Random Variables.
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Fan Festival 2016 in Las Vegas is a two day event spanning Friday, October 14 and Saturday, October 15, 2016 and each day of the show will feature unique content. Badge pickup will begin on Thursday, October 13 to accommodate the large amount of attendees arriving and picking up their badges.