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
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
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F147dc3cf-76cc-4e26-b736-9819afa1f97f%2F1996bd1a-ebd9-4d76-851d-bfd9ddba850d%2Faxp7iz7_processed.jpeg&w=3840&q=75)
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
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