Answer:
c) Population parameter or Population statistic
Step-by-step explanation:
<u>Population</u>:-
<em>The totality of observation with which we are concerned , whether this number be finite or infinite is called population</em>
<u>Sample </u>:
A sample is subset of a Population
Given data  the USA today internet poll is called Population
<em>Given data 73 percent of readers are satisfied with their lives.
</em>
<em>This is called Population parameter.</em>
 
        
             
        
        
        
The answer is 5 because a^2 + b^2 = c^2
        
                    
             
        
        
        
A) Gigabytes = x
B) 35+5x = 25+10x
 10 = 5x
 2 = x
C) After 2 gigabytes, the wireless services will cost the same ($45)
        
             
        
        
        
63% decrease. 
0.63•80=50.4kg
80kg-50.4kg=29.6kg