A poll taken in July estimates this proportion to be .31 Using this estimate, what sample size is needed so that the confidence interval will have a margin of error of .04

And explain how you got it so i can understand future problems : 3

The volume of a cone is 37x3 cubic units and its height is x units. which expression represents the radius of the cone's base, in units? 1 s o 3x o 6x obx 93x2

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)