(16)
(Choose
1 answer)
(Seepicture)
A. 20
B. 369
C. 17
If you want to be 95% confident of estimating the population proportion to within a sampling error of +0.05 and there is historical evidence that the population proportion is approximately 0.60, what sample size is needed?
D. 259
Let Z0.025 1.96 and 20.05 1.64.
