"A survey of 89 students found that 39% were in favor of raising tution to pave...."
[FONT="]A survey of 89 students found that 39% were in favor of raising tution to pave new parking lots. The standard deviation of the sample proprortion is 8.4%. How large a sample (to the nearest person) would be required to reduce this standard deviation to 6.8%?[/FONT]
[FONT="]A survey of 89 students found that 39% were in favor of raising tution to pave new parking lots. The standard deviation of the sample proprortion is 8.4%. How large a sample (to the nearest person) would be required to reduce this standard deviation to 6.8%?[/FONT]