a. Find the marginal densities of X and Y. b. Are X and Y independent? c. Find the st. deviation of Y. d. Find the covariance of X and Y?
a. Find the marginal densities of X and Y. b. Are X and Y independent? c. Find the st. deviation of Y. d. Find the covariance of X and Y?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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1. We have a pair of dice each with six sides all numbered 1-6. One of them is blue the other white. The dice are rolled. Let X be the number shown on top of the blue die and Y be the sum of the numbers shown on the top sides of the blue and white dice.
a. Find the marginal densities of X and Y.
b. Are X and Y independent?
c. Find the st. deviation of Y.
d. Find the
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