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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 12T

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Question

as soon as possible. Hand write.

Let X and Y have joint PDF
cy
fx,y (a, y) = {
0 ≤ y ≤ x ≤ 1
otherwise
0
a) Draw the region of positive probability, and find constant c.
b) Find fx(x) and fy (y).
c) Find P[Y ≤ X/2].
d) Find E[X], E[Y], ox, oz.

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