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)
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 14:00, ArelysMarie
Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)
Answers: 2
Mathematics, 21.06.2019 14:30, NightCaribou644
Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer
Answers: 1
Mathematics, 21.06.2019 19:00, brighamc23
Draw a scaled copy of the circle using a scale factor of 2
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 in other subjects:
Mathematics, 31.10.2019 00:31
