I believe it’s 80 hope it helps
Answer: 
Step-by-step explanation:
The confidence interval for the difference of two population proportion is given by :-
Given : The first sample consists of 20 people with 9 having a common attribute.
Here, 
, 
, 
Significance level : 
Critical value : 
A 95% confidence interval for the difference of two population proportion will be :-
9(5)^2 - 2 - (5)
9(25) - 2 - 5
225 - 2 - 5
223 - 5
218
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You cant have -5 mi, the distance doesn't change. It is still 5 mi from his house to your house and vice versa.
Answer:
<u>Use the forumula</u>
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Payment = P(r/n)(1+r/n)nt/((1+r/n)nt-1)
For this case nt = 180, r/n = 0.035/12 and P = 220,000 - 22000 = 198000
(1+r/n)180 = 1.00292180 = 1.6892
Payment = 198000(0.00292)(1.6892)/0.6892 ≈ $1415.46
