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Question 13. Let X and Y be continuous random variables with the joint pdf fx.r(1,y) = xe-", 0 -1) is equal to (a) e-/4 (b) 2e- (c) e-2/4. (d) e-2/3 (e) none of the above.

Question 13. Let X and Y be continuous random variables with the joint pdf fx.r(1,y) = xe-", 0 -1) is equal to (a) e-/4 (b) 2e- (c) e-2/4. (d) e-2/3 (e) none of the above.

A First Course in Probability (10th Edition)
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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Question 13. Let X and Y be continuous random variables with the joint pdf fxx(1,y) = re-. 0<x < 00, -1 <y < 1, zero elsewhere. Then P(X > -1) is equal to (a) e-/4 (b) 2 e- (c) e-2/4. (d) e-2/3 (e) none of the above.
Transcribed Image Text:Question 13. Let X and Y be continuous random variables with the joint pdf fxx(1,y) = re-. 0<x < 00, -1 <y < 1, zero elsewhere. Then P(X > -1) is equal to (a) e-/4 (b) 2 e- (c) e-2/4. (d) e-2/3 (e) none of the above.
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