
Explanation

Step 1
multiplicate by the conjugate

notice that


I hope this helsp you
150,000 I believe is the answer
Answer:
4/5
Step-by-step explanation:
Answer:
L = 2w
A = L*W
A = 2w*w
A = 2w^2
Step-by-step explanation:
Answer:
Follows are the solution to this question:
Step-by-step explanation:
the confidence level for z:


Calculating the Margin of error:


The population means estimate a 95 % confidence interval is:
