A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 726 hours. A random sample of 30 light bulbs has a mean life of 714 hours. Assume the population is normally distributed and the population standard deviation is 56 hours. At α = 0.08, do you have enough evidence to reject the manufacturer's claim? Complete parts (a) through (e). (a) Identify the null hypothesis and alternative hypothesis. Ο Α. Ηγ: μ=714 Ha: #714 (claim) ... O D. Ho: μ#726(claim) Ha: μ = 726 B. Ho: <714 (claim) Hg: μ2714 O E. Ho: μ ≥726 (claim) Ha: μ<726 OC. Ho: H≤714 Ha: μ> 714 (claim) OF. Ho: μ>726 Ha: μ≤726 (claim)
A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 726 hours. A random sample of 30 light bulbs has a mean life of 714 hours. Assume the population is normally distributed and the population standard deviation is 56 hours. At α = 0.08, do you have enough evidence to reject the manufacturer's claim? Complete parts (a) through (e). (a) Identify the null hypothesis and alternative hypothesis. Ο Α. Ηγ: μ=714 Ha: #714 (claim) ... O D. Ho: μ#726(claim) Ha: μ = 726 B. Ho: <714 (claim) Hg: μ2714 O E. Ho: μ ≥726 (claim) Ha: μ<726 OC. Ho: H≤714 Ha: μ> 714 (claim) OF. Ho: μ>726 Ha: μ≤726 (claim)
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 light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 726 hours. A random
sample of 30 light bulbs has a mean life of 714 hours. Assume the population is normally distributed and the population
standard deviation is 56 hours. At a = 0.08, do you have enough evidence to reject the manufacturer's claim? Complete
parts (a) through (e).
(a) Identify the null hypothesis and alternative hypothesis.
OA. Ho: p=714
H₂: μ#714 (claim)
O D. Ho: μ#726(claim)
H₂: μ = 726
OB. Ho: μ<714 (claim)
Ha: μ2714
O E. Ho: μ ≥726 (claim)
Hg:μ <726
W
www
OC. Ho: HS714
H₂: >714 (claim)
OF. Ho: >726
Glear all
H₂: ≤726 (claim)
Check answer
ur
sa
id:](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3902e49a-6190-4c79-8257-ee67f635a48b%2F0704980b-f123-4737-ac88-1e25f9e2257c%2F8uhwqti_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 726 hours. A random
sample of 30 light bulbs has a mean life of 714 hours. Assume the population is normally distributed and the population
standard deviation is 56 hours. At a = 0.08, do you have enough evidence to reject the manufacturer's claim? Complete
parts (a) through (e).
(a) Identify the null hypothesis and alternative hypothesis.
OA. Ho: p=714
H₂: μ#714 (claim)
O D. Ho: μ#726(claim)
H₂: μ = 726
OB. Ho: μ<714 (claim)
Ha: μ2714
O E. Ho: μ ≥726 (claim)
Hg:μ <726
W
www
OC. Ho: HS714
H₂: >714 (claim)
OF. Ho: >726
Glear all
H₂: ≤726 (claim)
Check answer
ur
sa
id:
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