The total number of hrs, measured in units of 100 hrs, that a family runs a vacuum cleaner over a period of one year is a continuous random variable X that has the density function x, 0

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
The total number of hrs, measured in units of 100 hrs, that a family runs a vacuum cleaner over a period of one year is a continuous random variable X that has the density function
x, 0<x<1
f (x) ={ 2-x, 1<x<2
0, elsewhere
Find the probability that over a period of one year, a family runs their vacuum cleaner. (type only the letter of your answer)
1. less than 120 hrs;
a. 13/25 b. 23/25 c. 17/25 d. 11/25
2. between 50 and 100 hrs.
a. 3/8 b. 1/2 c. 5/8 d. 3/4
Transcribed Image Text:The total number of hrs, measured in units of 100 hrs, that a family runs a vacuum cleaner over a period of one year is a continuous random variable X that has the density function x, 0<x<1 f (x) ={ 2-x, 1<x<2 0, elsewhere Find the probability that over a period of one year, a family runs their vacuum cleaner. (type only the letter of your answer) 1. less than 120 hrs; a. 13/25 b. 23/25 c. 17/25 d. 11/25 2. between 50 and 100 hrs. a. 3/8 b. 1/2 c. 5/8 d. 3/4
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE 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