6. Suppose we select one point at random from within the circle with radius R. If we let the center of the circle denote the origin and define X and Y to be the coordinates of the point chosen in this circle, then (X, Y) is a uniform bivariate RV with joint PDF given by f(x, y) [k, x² + y² ≤ R² otherwise 0, - {6 where k is a constant. (a) Determine the value of k. (b) Find the marginal PDF's of X and Y. (c) Find the probability that the distance from the origin of the point selected is not greater than a.

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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6. Suppose we select one point at random from within the circle with radius R. If we let the center of the
circle denote the origin and define X and Y to be the coordinates of the point chosen in this circle, then
(X, Y) is a uniform bivariate RV with joint PDF given by
x² + y² ≤ R²
otherwise
f(x, y) =
=
Sk,
10,
where k is a constant.
(a) Determine the value of k. (b) Find the marginal PDF's of X and Y. (c) Find the probability that the
distance from the origin of the point selected is not greater than a.
Transcribed Image Text:6. Suppose we select one point at random from within the circle with radius R. If we let the center of the circle denote the origin and define X and Y to be the coordinates of the point chosen in this circle, then (X, Y) is a uniform bivariate RV with joint PDF given by x² + y² ≤ R² otherwise f(x, y) = = Sk, 10, where k is a constant. (a) Determine the value of k. (b) Find the marginal PDF's of X and Y. (c) Find the probability that the distance from the origin of the point selected is not greater than a.
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