Mathematics, 14.10.2020 22:01 stefkellum58
A survey of 73 students found that 37% were in favor of raising tuition to pave new parking lots. The standard deviation of the sample proportion is 9.8%. How large a sample (to the nearest person) would be required to reduce this standard deviation to 4.7%?
Answers: 2
![\frac{n_1}{n_2} =[\frac{s_2}{s_1} ]^2](/tpl/images/0806/1140/b5e72.png)
![\frac{73}{n_2} =[\frac{0.047}{0.098} ]^2](/tpl/images/0806/1140/3e355.png)
Another question on Mathematics
Mathematics, 21.06.2019 15:30
Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5
Answers: 1
Mathematics, 21.06.2019 18:50
The trigonometric ratios sine and secant are reciprocals of each other
Answers: 2
Mathematics, 21.06.2019 19:00
Lucy is a dress maker. she sews \dfrac47 7 4 of a dress in \dfrac34 4 3 hour. lucy sews at a constant rate. at this rate, how many dresses does lucy sew in one hour? include fractions of dresses if applicable
Answers: 3
Mathematics, 21.06.2019 23:00
The measurement of one angle of a right triangle is 42° what is the measurement of the third angle? (there is no picture)
Answers: 1
You know the right answer?
A survey of 73 students found that 37% were in favor of raising tuition to pave new parking lots. Th...
Questions
Mathematics, 18.01.2021 22:40
Mathematics, 18.01.2021 22:40
Physics, 18.01.2021 22:40
Social Studies, 18.01.2021 22:40
Mathematics, 18.01.2021 22:40
Physics, 18.01.2021 22:40
Mathematics, 18.01.2021 22:40
History, 18.01.2021 22:40
Health, 18.01.2021 22:40
English, 18.01.2021 22:40
Mathematics, 18.01.2021 22:40
