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A study analyzed the sustainability behaviors of CPA corporations. The level of support for corporate sustainability​ (measured on a quantitative scale ranging from 0 to 160​ points) was obtained for each in a sample of 984 senior managers at CPA firms. The CEO of a CPA firm claims that the true mean level of support for sustainability is 66. a. Specify the null and alternative hypotheses for testing this claim.     A. H0​: μ=66 Ha​: μ<66   B. H0​: μ≠66 Ha​: μ=66   C. H0​: μ=66 Ha​: μ>66   D. H0​: μ=66 Ha​: μ≠

A study analyzed the sustainability behaviors of CPA corporations. The level of support for corporate sustainability​ (measured on a quantitative scale ranging from 0 to 160​ points) was obtained for each in a sample of 984 senior managers at CPA firms. The CEO of a CPA firm claims that the true mean level of support for sustainability is 66. a. Specify the null and alternative hypotheses for testing this claim.     A. H0​: μ=66 Ha​: μ<66   B. H0​: μ≠66 Ha​: μ=66   C. H0​: μ=66 Ha​: μ>66   D. H0​: μ=66 Ha​: μ≠

MATLAB: An Introduction with Applications
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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A study analyzed the sustainability behaviors of CPA corporations. The level of support for corporate sustainability​ (measured on a quantitative scale ranging from 0 to 160​ points) was obtained for each in a sample of 984 senior managers at CPA firms. The CEO of a CPA firm claims that the true mean level of support for sustainability is 66.

a. Specify the null and alternative hypotheses for testing this claim.
 
 
A.
H0​:
μ=66
Ha​:
μ<66
 
B.
H0​:
μ≠66
Ha​:
μ=66
 
C.
H0​:
μ=66
Ha​:
μ>66
 
D.
H0​:
μ=66
Ha​:
μ≠

 

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Follow-up Question
What is a Type I error in this​ problem?
 
 
A.
A Type I error would be to conclude that the true mean level of support for sustainability is not
66
​when, in​ fact, the mean is equal to
66.
 
B.
A Type I error would be to conclude that the sample mean level of support for sustainability is greater than
66
​when, in​ fact, the sample mean is less than
66.
 
C.
A Type I error would be to conclude that the true mean level of support for sustainability is
66
​when, in​ fact, the mean is not equal to
66.
 
D.
A Type I error would be to conclude that the sample mean level of support for sustainability is less than
66
​when, in​ fact, the sample mean is greater than
66.

 

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