![subject](/tpl/images/cats/mat.png)
Mathematics, 14.09.2021 14:00 ggcampos
A study done 15 years ago found that only 12% of adult South Africans had rudimentary literary skills. You believe that this proportion has increased. You randomly select 245 adults from around South Africa and find that 37 of them have rudimentary literary skills. Using this information, you do a hypothesis test using a 5% level of significance.
Which of the following pairs of hypotheses do you use for your test?
A. H_0∶ π=0.15 vs H_a∶ π>0.15
B. H_0∶ π=0.12 vs H_a∶π >0.12
C. H_0∶π =0.12 vs H_a∶π ≠0.12
D. H_0∶π =0.12 vs H_a∶π <0.12
E. H_0∶ π =0.12 vs H_ a∶ π =0.15
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
Calculate the density of benzene if 300ml of it weighs 263g. a. 0.88 g/ml b. 1.14 g/ml c. 78,900 g/ml d. 37 g/ml
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
How do your peer relationships affect your overall health status? what can you do to improve your peer relationships?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:30
Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards.how many yards wide is maddie's kitchen?
Answers: 1
You know the right answer?
A study done 15 years ago found that only 12% of adult South Africans had rudimentary literary skill...
Questions
![question](/tpl/images/cats/en.png)
English, 25.01.2022 15:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 15:10
![question](/tpl/images/cats/biologiya.png)
Biology, 25.01.2022 15:10
![question](/tpl/images/cats/en.png)
English, 25.01.2022 15:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 15:10
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/en.png)
English, 25.01.2022 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 15:10
![question](/tpl/images/cats/en.png)
English, 25.01.2022 15:10
![question](/tpl/images/cats/istoriya.png)
History, 25.01.2022 15:10
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 15:20
![question](/tpl/images/cats/mat.png)
Mathematics, 25.01.2022 15:20
![question](/tpl/images/cats/mat.png)