f(x1, x2) = x1 + 2.x2, then the marginal of x, is A) 2x1 +2 B) x1 + 2 C) 2x, +4 D) x1 + 2x2

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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f(x1, x2) = x1 + 2x2, then the marginal of x1 is
A) 2x1 +2
B) x1 + 2 C) 2x +4
D) x1 + 2x2
Transcribed Image Text:f(x1, x2) = x1 + 2x2, then the marginal of x1 is A) 2x1 +2 B) x1 + 2 C) 2x +4 D) x1 + 2x2
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