The confidence interval for a proportion uses which of the following formulas?
a.p ±ZSp
b.Sp ±ZP
c. ±ZSs
d.none of these choices
Answer: A: p ±ZSp
The confidence interval for a proportion uses which of the following formulas?
a.p ±ZSp
b.Sp ±ZP
c. ±ZSs
d.none of these choices
Answer: A: p ±ZSp