Answer:
b
Step-by-step explanation:
 
        
                    
             
        
        
        
Yes, because there is a corresponding amount of teachers per student.
 
        
             
        
        
        
Let p be 0.831 denote the percentage of defective welds and q be 0.169 denote the percentage of non-defective welds.
Using the binomial distribution, we want all three to be defective.


 
 
        
        
        
Answer:
D. (6) is the distance between 6 and 0, and the distance is negative from 6 to 0
Step-by-step explanation:
(6) means the number exists in the negative state. It is -6.
Option A - As it is -6, it cannot be greater than positive 6. So, it is incorrect.
Option B - As it is -6, it cannot be less than negative 6. So, it is wrong.
Option C - As it is -6, its distance cannot be 0 to 6, and it should not be positive.
Option D - As it is -6, its distance should be negative and the distance is from 6 to 0. Therefore, it is the correct answer.
 
        
             
        
        
        
10 is greater because it equals 3.162...