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:
tha
Step-by-step explanation:
The answer would be (A) <span>(x − 4)^2 + (y − 4)^2 = 16
</span>
Answer:
11 meters
Step-by-step explanation:
Use the formula:

V = 7599, h = 20, π = 3.14
Plugin the numbers and solve for r

Answer:
15.2
Step-by-step explanation:
PiRsquared
Pi x 2.2²