Question 9. What minimum sample size is needed to estimate the population mean to within 6 units with 99% confidence giv
Posted: Wed May 04, 2022 11:45 am
Question 9. What minimum sample size is needed to estimate the population mean to within 6 units with 99% confidence given the population standard deviation = 20? Question 10. What minimum sample size is needed to estimate the population proportion to within 4% with 90% confidence given the sample proportion from a previous study is equal to 44%?