Homework Help is Here – Start Your Trial Now!
Math
Statistics
es Compute the mean and variance of the following discrete probability distribution. (Round your answers to 2 decimal places.) X 0 1 2 3 P(X) .2 .4 .3 .1 Click here for the Excel Data File Mean Variance

es Compute the mean and variance of the following discrete probability distribution. (Round your answers to 2 decimal places.) X 0 1 2 3 P(X) .2 .4 .3 .1 Click here for the Excel Data File Mean Variance

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question
es Compute the mean and variance of the following discrete probability distribution. (Round your answers to 2 decimal places.) X 0 1 2 3 P(X) .2 .4 Mean Variance .3 .1 Click here for the Excel Data File E
Transcribed Image Text:es Compute the mean and variance of the following discrete probability distribution. (Round your answers to 2 decimal places.) X 0 1 2 3 P(X) .2 .4 Mean Variance .3 .1 Click here for the Excel Data File E
Expert Solution
Step 1: Introduce the given information

Given probability distribution of X is,

XP(X)
00.2
10.4
20.3
30.1

Using formula,

Mean, E left parenthesis X right parenthesis equals sum from blank to blank of X P left parenthesis X right parenthesis

Variance, sigma squared equals sum from blank to blank of X squared P left parenthesis X right parenthesis minus left square bracket E left parenthesis X right parenthesis right square bracket squared

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 7 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS