A fair dice is rolled 3 times. Let X denote the sum of the dice rolls, and Y denote the sum of the squares of the dice rolls. For example, if the outcome of the roll is (1,3,4), then X=8, Y=1+9+16=26. Find E(X) and E(Y).
A fair dice is rolled 3 times. Let X denote the sum of the dice rolls, and Y denote the sum of the squares of the dice rolls. For example, if the outcome of the roll is (1,3,4), then X=8, Y=1+9+16=26. Find E(X) and E(Y).
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 78E
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A fair dice is rolled 3 times. Let X denote the sum of the dice rolls, and Y denote the sum of the squares of the dice rolls. For example, if the outcome of the roll is (1,3,4), then X=8, Y=1+9+16=26. Find E(X) and E(Y).
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