A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kilowatt-hours (kWh). You want to test this claim. You find that a random sample of 68 residential customers has a mean monthly consumption of 900 kWh. Assume the population standard deviation is 122 kWh. At a = 0.05, can you support the claim? Complete parts (a) through (e). (a) Identify Ho and H₂. Choose the correct answer below. O A. Ho: μ=860 (claim) H₂: μ#860 OC. Ho: μS860 Ha: μ> 860 (claim) OE. Ho: μ = 900 Ha: μ#900 (claim) OB. Ho: μ>900 (claim) H₂:μ≤ 900 OD. Ho: H≤900 Ha: μ> 900 (claim) OF. Ho: >860 (claim) H₂:μ≤860

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
A company claims that the mean monthly residential electricity consumption in a certain region is more than 860
kilowatt-hours (kWh). You want to test this claim. You find that a random sample of 68 residential customers has a
mean monthly consumption of 900 kWh. Assume the population standard deviation is 122 kWh. At a = 0.05, can you
support the claim? Complete parts (a) through (e).
(a) Identify Ho and H₂. Choose the correct answer below.
OA. Ho: H 860 (claim)
H₂H860
OC. Ho: 5860
H₂H860 (claim)
OE. Ho: 900
Ha: H900 (claim)
OB. Ho: >900 (claim)
Ha: ≤900
OD. Ho: us 900
H₂: >900 (claim)
OF. Ho: >860 (claim)
H₂: ≤860
Transcribed Image Text:A company claims that the mean monthly residential electricity consumption in a certain region is more than 860 kilowatt-hours (kWh). You want to test this claim. You find that a random sample of 68 residential customers has a mean monthly consumption of 900 kWh. Assume the population standard deviation is 122 kWh. At a = 0.05, can you support the claim? Complete parts (a) through (e). (a) Identify Ho and H₂. Choose the correct answer below. OA. Ho: H 860 (claim) H₂H860 OC. Ho: 5860 H₂H860 (claim) OE. Ho: 900 Ha: H900 (claim) OB. Ho: >900 (claim) Ha: ≤900 OD. Ho: us 900 H₂: >900 (claim) OF. Ho: >860 (claim) H₂: ≤860
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 7 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