he density netion of the cont variable X, the total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a pe- riod of one year, is given in Exercise 3.7 on page 92 ious random as 0 < x < 1, x, f(x) = {2- x, 1< x < 2, (0, elsewhere. Find the average number of hours per year that families run their vacuum cleaners.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question

Find the average number of hours per year that families
run their vacuum cleaners and also find the variance

4.13 The density function of the continuous random
variable X, the total number of hours, in units of 100
hours, that a family runs a vacuum cleaner over a pe-
riod of one year, is given in Exercise 3.7 on page 92
as
0 <x < 1,
f(x) = {2 – x, 1<x< 2,
(0,
elsewhere.
Find the average number of hours per year that families
run their vacuum cleaners.
Transcribed Image Text:4.13 The density function of the continuous random variable X, the total number of hours, in units of 100 hours, that a family runs a vacuum cleaner over a pe- riod of one year, is given in Exercise 3.7 on page 92 as 0 <x < 1, f(x) = {2 – x, 1<x< 2, (0, elsewhere. Find the average number of hours per year that families run their vacuum cleaners.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

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