Answer: 601
Step-by-step explanation:
The formula to find the minimum sample size(n) , if the prior population proportion is unknown:
, where E = margin of error ,
= critical z-value for confidence level c.
Given : E = 0.04
Z-value for 95% confidence = 1.96
So, the minimum sample size required = 

Hence, the minimum sample size required = 601
Answer:
If Anne’s age is represented by the variable a then express Jenny’s age in terms of a if Jenny is three years less than half of Anne’s age
Answer:
if this is high school i cant do it
Answer:
200+80+4+0.3+0.04
Step-by-step explanation:
I don't think this question is complete but here's ur answer