Answer:
Car A gets 19 miles per gallon while Car B gets ~17.8 miles per gallon. Car A gets better mileage.
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Confidence interval:  (0.04649,0.04913)
Step-by-step explanation:
We are given the following in the question:
Sample size, n =  100,000
Number of people who donated, x = 4781
 
95% Confidence interval:
 
 
Putting the values, we get:
 
is the required 95% confidence interval  for the true proportion of their entire mailing list who may donate.
 
        
             
        
        
        
Answer:
C 37.5%
Step-by-step explanation:
There are 3 planets closer to the sun than mars 
3/8 = .375
Changing to a percent
37.5% are closer to the sun than mars