Let X and Y be random variables with Var(X)=0.64, Var(Y)=0.81, and Cov(X,Y) = 0.5. Find each of the following to two decimal places (if applicable). (a) Coefficient of correlation p(X, Y) 0.694 (b) Var(3X + Y + 1)|| (c) Cov(-2Y, 3X+Y+1) (d) p(−2Y, 3X + Y + 1) ☐
Let X and Y be random variables with Var(X)=0.64, Var(Y)=0.81, and Cov(X,Y) = 0.5. Find each of the following to two decimal places (if applicable). (a) Coefficient of correlation p(X, Y) 0.694 (b) Var(3X + Y + 1)|| (c) Cov(-2Y, 3X+Y+1) (d) p(−2Y, 3X + Y + 1) ☐
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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![Let X and Y be random variables with Var(X)=0.64, Var(Y)=0.81, and Cov(X,Y) = 0.5. Find each of the following to two decimal places (if applicable).
(a) Coefficient of correlation p(X, Y) 0.694
(b) Var(3X + Y + 1)||
(c) Cov(-2Y, 3X+Y+1)
(d) p(−2Y, 3X + Y + 1) ☐](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7d69634b-8a8a-4609-8704-3bdadaefe256%2F42236172-4158-43f2-a817-f1027db4ecce%2F1wgc9w_processed.png&w=3840&q=75)
Transcribed Image Text:Let X and Y be random variables with Var(X)=0.64, Var(Y)=0.81, and Cov(X,Y) = 0.5. Find each of the following to two decimal places (if applicable).
(a) Coefficient of correlation p(X, Y) 0.694
(b) Var(3X + Y + 1)||
(c) Cov(-2Y, 3X+Y+1)
(d) p(−2Y, 3X + Y + 1) ☐
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