Let X and Y are independent normal random variables with mean 0 and variances 1 and 4 respectively. (a) What is P(Y > X + 3)? (b) What is the joint density function of X and Y ? (c) If (R, e) are the polar coordinates of (X, Y) (that is, R = vX2 + Y2 and e is the solution to R cos e = X and R sin 0 = Y ) then what is the joint density function of R and 0? (d) Calculate the marginal density function of 0.
Let X and Y are independent normal random variables with mean 0 and variances 1 and 4 respectively. (a) What is P(Y > X + 3)? (b) What is the joint density function of X and Y ? (c) If (R, e) are the polar coordinates of (X, Y) (that is, R = vX2 + Y2 and e is the solution to R cos e = X and R sin 0 = Y ) then what is the joint density function of R and 0? (d) Calculate the marginal density function of 0.
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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