Answer:
C
Step-by-step explanation:
The answer is C) 35.65 + 1.85x. Hope this helps...
25 because 4(8)-7 = 32-7 = 25
Answer:

Step-by-step explanation:
Given

-- City C
--- City K
Required
Determine the 90% confidence interval
This is calculated using:

Calculating 




For a 90% confidence level, the z-score is 1.65. So:

Calculating the standard deviation 

So:


So:

