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Joint probability distribution: x 1 1 2 4 y 3 4 5 6 fxy(x,y) 1/8 1/4 1/2 1/8 Determine the following E(X) = E(Y) = E(XY) = covariance= V(X) = V(Y) = correlation =

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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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

Joint probability distribution:

x	1	1	2	4
y	3	4	5	6
fxy(x,y)	1/8	1/4	1/2	1/8

Determine the following

E(X) =

E(Y) =

E(XY) =

covariance=

V(X) =

V(Y) =

correlation =

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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