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)
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A survey of 73 students found that 37% were in favor of raising tuition to pave new parking lots. Th...
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