Answer:

Step-by-step explanation:
Given
 -- number of toss
 --- outcomes of head
<em>See comment</em>
Required
Empirical probability of head
This is calculated as:



 
        
             
        
        
        
Answer:
a^2 + b^2 = c^2
Step-by-step explanation:
a^2 + b^2 = c^2
 
        
             
        
        
        
Answer:
X = 6 
Step-by-step explanation:
Subtract 1 x from both sides so the equation will be 3x = 18.  Then divide 3x by 3 and 18 by 3 to get 6