Let Y, and Y2 be two random variables such that E(Y1)=3, Var(Y1)=4, E(Y2)=2, Var(Y2)=9, Cov(Y1, Y2)=-5 The variance of (2Y1 -3Y2), Var(2Y1 -3Y2), is a. None of them b. 109 С. 25 d. 157 е. 73

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
I need the answer as soon as possible
Let Y, and Y, be two random variables such
that E(Y1)=3, Var(Y1)=4, E(Y2)=2, Var(Y2)=9,
Cov(Y1, Y2)=-5
The variance of (2Y1 -3Y2), Var(2Y1 -3Y2),
is
a. None of them
b. 109
С.
25
d. 157
е. 73
Transcribed Image Text:Let Y, and Y, be two random variables such that E(Y1)=3, Var(Y1)=4, E(Y2)=2, Var(Y2)=9, Cov(Y1, Y2)=-5 The variance of (2Y1 -3Y2), Var(2Y1 -3Y2), is a. None of them b. 109 С. 25 d. 157 е. 73
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Knowledge Booster
Linear Equations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman