500 (non smokers)÷ 25(random students out of the group)= 20 inches.
20 inches ÷ 74 inches= 3.70
        
             
        
        
        
Answer:
See below
Step-by-step explanation:
We can simply use a graphing calculator to graph the function

See in the attached file!
 
        
             
        
        
        
Answer:
Step-by-step explanation:
events are 1+1+4=6
1+2+3=6
1+3+2=6
1+4+1=6
2+1+3=6
2+2+2=6
2+3+1=6
3+1+2=6
3+2+1=6
4+1+1=6
total number of ways=10
 
        
                    
             
        
        
        
Answer:
3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
2
Step-by-step explanation: