200=7p or 7p=200 I hope I could help you with your problem
Answer:
The number of weeks required = 216 weeks
Step-by-step explanation:
Given that:
Margin of Error E = 200
Confidence interval = 95% = 0.95
Level of SIgnificance = 1 - C.I
= 1 - 0.95
= 0.05
Standard deviation = 1500
The Critical value for Z :

The number of weeks( i.e the sample size (n) ) required is :



n = 216.09
n ≅ 216 weeks
Answer:
1 subtracted from the variable w.
:)
Check the picture below
anyhow, notice the part of the river is not included in the perimeter of 797 meters, because, the river is doing the fencing per se