Answer:
The sample size must be approximately 1067 to get a margin of error of 0.03.
Step-by-step explanation:
We are given the following in the question:
Margin of error = 0.03
Significance level = 5%
Margin of error =

Since, no prior proportions are given, we take


Putting values, we get,

Thus, the sample size must be approximately 1067 to get a margin of error of 0.03.
Answer:
d.
Step-by-step explanation:

Answer:

Step-by-step explanation:

William needs 102.6 fencing in all because 76.9 plus 25.7 equals 102.6, hope this helps!