A dodecahedron is a die with 12 sides. Suppose the numbers on the die are 1-12. Consider the random variable X which describes which number is shown after rolling the die once. What is the distribution of X? Determine E(X) and Var(X).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 36E
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A dodecahedron is a die with 12 sides. Suppose the numbers on the die
are 1-12. Consider the random variable X which describes which number is shown
after rolling the die once. What is the distribution of X? Determine E(X) and Var(X).
Transcribed Image Text:A dodecahedron is a die with 12 sides. Suppose the numbers on the die are 1-12. Consider the random variable X which describes which number is shown after rolling the die once. What is the distribution of X? Determine E(X) and Var(X).
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