Answer:
0.65 is the correct answer
 
        
                    
             
        
        
        
Answer:
b
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The 92% confidence interval for the true proportion of customers who click on ads on their smartphones is (0.3336, 0.5064).
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of  , and a confidence level of
, and a confidence level of  , we have the following confidence interval of proportions.
, we have the following confidence interval of proportions.

In which
z is the zscore that has a pvalue of  .
.
For this problem, we have that:

92% confidence level
So  , z is the value of Z that has a pvalue of
, z is the value of Z that has a pvalue of  , so
, so  .
. 
The lower limit of this interval is:

The upper limit of this interval is:

The 92% confidence interval for the true proportion of customers who click on ads on their smartphones is (0.3336, 0.5064).
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Since y = -3 we can plug straight into the other equation 
--> -x + 2y = -6 
-x + 2(-3) = -6 
-x - 6 = -6 
-x = 0 
x = 0 
To graph this draw a horizontal like across the page at y = -3 and a vertical line down the page to represent x = 0 
The point where these lines intersect is (0,-3)
So that would be the ordered pair solution. 
 
        
             
        
        
        
Remember that parentheses come first. Follow PEMDAS