A nutritionist claims that the mean tuna consumption by a person is 3.9 pounds per year. A sample of 80 people shows that the mean tuna consumption by a person is 3.6 pounds per year. Assume the population standard deviation is 1.06 pounds. At α=0.04​, can you reject the​ claim?       ​(a) Identify the null hypothesis and alternative hypothesis.     A. H0​: μ>3.9 Ha​: μ≤3.9   B. H0​: μ>3.6 Ha​: μ≤3.6   C. H0​: μ=3.9 Ha​: μ≠3.9 Your answer is correct.   D. H0​: μ≤3.9 Ha​: μ>3.9   E. H0​: μ≠3.6 Ha​: μ=3.6   F. H0​: μ≤3.6 Ha​: μ>3.6 ​(b) Identify the standardized test statistic.   z=negative 2.53−2.53 ​(Round to two decimal places as​ needed.) ​(c) Find the​ P-value.   enter your response here ​(Round to three decimal places as​ needed.)

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A nutritionist claims that the mean tuna consumption by a person is
3.9
pounds per year. A sample of
80
people shows that the mean tuna consumption by a person is
3.6
pounds per year. Assume the population standard deviation is
1.06
pounds. At
α=0.04​,
can you reject the​ claim?
 
 
 
​(a) Identify the null hypothesis and alternative hypothesis.
 
 
A.
H0​:
μ>3.9
Ha​:
μ≤3.9
 
B.
H0​:
μ>3.6
Ha​:
μ≤3.6
 
C.
H0​:
μ=3.9
Ha​:
μ≠3.9
Your answer is correct.
 
D.
H0​:
μ≤3.9
Ha​:
μ>3.9
 
E.
H0​:
μ≠3.6
Ha​:
μ=3.6
 
F.
H0​:
μ≤3.6
Ha​:
μ>3.6
​(b) Identify the standardized test statistic.
 
z=negative 2.53−2.53
​(Round to two decimal places as​ needed.)
​(c) Find the​ P-value.
 
enter your response here
​(Round to three decimal places as​ needed.)
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