Answer:5326
Step-by-step explanation:
A=Pe^rt 
 
        
             
        
        
        
The slope is 2/3 because 3 - 1 = 2 and 0 - -3 = 3
        
             
        
        
        
There are 4 sets of 15 minutes in a hour so you would take the 10 airplanes and multiply it by 4 and get 40 as your answer
In 1 hour 40 planes with arrive at the airport
        
             
        
        
        
Answer:
Option C) 5.62 points   
Step-by-step explanation:
We are given the following in the question:
Sample size, n = 20
Sample mean score = 64
Sample standard deviation, s = 12
Degree of freedom = 

We have to calculate margin of error for a 95% confidence interval.
Formula for margin of error:
 
  
Putting the values, we get,  
 
  
 
  
Thus, the correct answer is 
Option C) 5.62 points