Answer:
b
Step-by-step explanation:
Answer:
What's the value for P and L?
Step-by-step explanation:
2W = 2L - P
W = (2L - P) / 2
Answer:
For B the answer is 1 : 30. For A the graph is Y goes up 2 for every 60 on the X.
Answer:Hence, x = 5, y = 0 is the required solution.
Step-by-step explanation:
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:

