Answer:
3 students in blue and 12 in white
Step-by-step explanation:
set 1/6 and 2/3 of it and you need to find that of 18
so you take 2/3*18 and get 12 students 
and 1/6*18 and get 3 students
 
        
             
        
        
        
Answer:
I get z = +1.8
x= 79
m= 73;s= 4;z= (x-m)/s= 1.5
hope it helps you 
 
        
             
        
        
        
Answer:

Step-by-step explanation:

there are 16 classmates in total including bess and caroline. and there chances as one person is 1 out of those 16 classmates.