![subject](/tpl/images/cats/mat.png)
Mathematics, 15.07.2021 16:50 angelyce4142
A sample of 31 observations is selected from a normal population. The sample mean is 69, and the population standard deviation is 8. Conduct the following test of hypothesis using the 0.01 significance level.
H0: μ = 72
H1: μ ≠ 72
a. Is this a one- or two-tailed test?
b. What is the decision rule?
c. What is the value of the test statistic? (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)
d. What is your decision regarding H0?
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Me, the vertices of quadrilateral coat are c(2,0), o(7,0), a(7,2) and t(2,2). prove that coat is a rectangle.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 04:30
Sylvia rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did sylvia rent the boat
Answers: 1
You know the right answer?
A sample of 31 observations is selected from a normal population. The sample mean is 69, and the pop...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 03:30
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2019 03:30
![question](/tpl/images/cats/istoriya.png)
History, 02.10.2019 03:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 03:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 02.10.2019 03:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/geografiya.png)
Geography, 02.10.2019 03:30
![question](/tpl/images/cats/biologiya.png)
Biology, 02.10.2019 03:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.10.2019 03:30
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 02.10.2019 03:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/fizika.png)
Physics, 02.10.2019 03:30