If you have no preliminary estimate for p, how many medical files should you include in a random sample in order to be 85% sure that the point estimate p̂ will be within a distance of 0.04 from p? Answer part (a) if you use the preliminary estimate that about 9 out of 90 people have blood type B. (Round your answer up to the nearest whole number.)
I’m in need of someone who has access to PASS statistical software or the free trial version and can calculate the sample size for my research study.
I’m in need of someone who has access to PASS statistical software or the free trial version and can calculate the sample size for my research study.