The mean amount spent on gasoline per month by American households is $387 with a standard deviation of $16. If a random sample of 44 households is chosen, find the probability that they spend on average more than $390 per month on gasoline. O0.5744 O 0.8932 O 0.4256 O 0.1068

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

10

The mean amount spent on gasoline per month by American households is $387 with a standard deviation of $16.
If a random sample of 44 households is chosen, find the probability that they spend on average more than $390
per month on gasoline.
O 0.5744
O 0.8932
O 0.4256
O 0.1068
Transcribed Image Text:The mean amount spent on gasoline per month by American households is $387 with a standard deviation of $16. If a random sample of 44 households is chosen, find the probability that they spend on average more than $390 per month on gasoline. O 0.5744 O 0.8932 O 0.4256 O 0.1068
Expert Solution
steps

Step by step

Solved in 4 steps with 10 images

Blurred answer
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