8 Let X and Y be jointly normal random variables with parameters μ₁0₁ μ₂ = -1,0²1, o = 4, and p = -1/2. 8(a) Find P(X+Y > 0). 8(b) Find the constant a if we know that aX + Y and X + 2Y are independent. 8(c) Find P(X+Y>0|2X - Y = 0).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
icon
Related questions
Question

Could you solve with hand work please. (no computer work please) 

Thank you 

Q8 Let X and Y be jointly normal random variables with parameters μ = 0, µ₂ = −1, 0² = 1, 0² = 4, and p = -1/2.
Q8(a) Find P(X+Y> 0).
Q8(b) Find the constant a if we know that aX+ Y and X + 2Y are independent.
Q8(c) Find P(X+Y> 0|2X – Y = 0).
Transcribed Image Text:Q8 Let X and Y be jointly normal random variables with parameters μ = 0, µ₂ = −1, 0² = 1, 0² = 4, and p = -1/2. Q8(a) Find P(X+Y> 0). Q8(b) Find the constant a if we know that aX+ Y and X + 2Y are independent. Q8(c) Find P(X+Y> 0|2X – Y = 0).
Expert Solution
steps

Step by step

Solved in 5 steps with 37 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
Trigonometry
ISBN:
9781337278461
Author:
Ron Larson
Publisher:
Cengage Learning