A doctor wants to estimate the HDL cholesterol of all20- to29-year-old females.
A doctor wants to estimate the HDL cholesterol of all20- to29-year-old females. How many subjects are needed to
estimate the HDL cholesterol within 33
points with 99 %
confidence assuming σ=18.9?
Suppose the doctor would be content with 90
confidence. How does the decrease in confidence affect the sample sizerequired? ATTACHMENT PREVIEW Download attachment
