Roll a dice, X=the number obtained. Calculate E(X), Var(X). Use two expressions to calculatevariance.Two fair dice are tossed, and the face on each die is observed. Y=sum of the numbersobtained in 2 rolls of a dice. Calculate E(Y), Var(Y).Roll the dice 3 times, Z=sum of the numbers obtained in 3 rolls of a dice. Calculate E(Z),Var(Z) from the result of part a and b.

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Roll a dice, X=the number obtained. Calculate E(X), Var(X). Use two expressions to calculate

variance.
Two fair dice are tossed, and the face on each die is observed. Y=sum of the numbers

obtained in 2 rolls of a dice. Calculate E(Y), Var(Y).
Roll the dice 3 times, Z=sum of the numbers obtained in 3 rolls of a dice. Calculate E(Z),

Var(Z) from the result of part a and b.

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