These are the two equation
10-2
13-5
        
             
        
        
        
The best and most correct answer among the choices provided by your question is the fourth choice or letter D. The probability is 4/5.
<span>P ( canadian)= 3/15 = 1/5 
On the other hand, P (not canadian) = 1 - 1/5 = 4/5</span>
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Answer:
y+30
Step-by-step explanation:
the sum of the numbers is 15y
the new sum after increase each number by 30 is 15y+450
the new mean 15y+450/15
= y+30