wiefid4 of tiat in tricorich. (a) Ne philinitary estirute is intiation. Frid the therimen samplo size needod pel Comsare twe iusias ficm tars (a) and ibl. (s) Fow do the rositis hom (3) and (b) conparn? A. Hanvig an estimie of the populaton proportion roduces the minimum sampla scto noedod. c. Haveng an estrata of the population proportion raises the minimum sample site neodod.