-1.25 or -1 1/4 that’s because the dot is in between a half and a whole number so one half divided by two is 1/4
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
given that the Chocolate House specializes in hand-dipped chocolates for special occasions. Three employees do all of the product packaging
Clerk          I           II           III    total
    
Pack      0.33          0.23    0.44	1
    
Defective	0.02	0.025    0.015  
    
Pack&def	0.0066	0.00575	0.0066	0.01895
a)  probability that a randomly selected box of chocolates was packed by Clerk 2 and does not contain any defective chocolate
= P(II clerk) -P(II clerk and defective) = 
b) the probability that a randomly selected box contains defective chocolate=P(I and def)+P(ii and def)+P(iiiand def) 
=0.01895
c) Suppose a randomly selected box of chocolates is defective. The probability that it was packaged by Clerk 3
=P(clerk 3 and def)/P(defective) 
=
 
        
             
        
        
        
The square root of 169=13 so it is rational