Question

6. A politician wants to estimate the proportion of citizens who "vote for him." a) What sample size should be obtained if he wants to be within 4 percentage points with 99% confidence if he uses an estimate of 24% obtained from a poll? Round up your answer. Use the z table from the canvas module 5 O 1036 O 756 1037 O 755

Answer 1

Level of significance : a= 0.01 Given 99% confidence level z* = E = .. Critical value Margin of error Population proportion :: Sample size is 2.5758 From z table(two tailed) 0.04 Given 0.24 Given p= 1 = pll-p= 756.3782 2 756