To solve, I would write an equation like this: 0.3=x/70 , where x is the number of aces divided by 70 games and 0.3 is his ace average.
0.3=x/70
x=70x0.3
=21
The player has served 21 aces.
Check:
21/70
=0.3
Answer:
17 cubes
21 cubes
25 cubes
Step-by-step explanation:
1. B is your answer
Explanation: The distribution is not the same, as they are not all one number (for example, 10, which is the majority) They are also concentrated towards the middle, as seen that two of the 3 that have a 10 is towards the middle.
2. C is your best answer
Explanation: This is a sample, and not the whole population, and so only those who wish to answer's responses would show up, leading to only certain amounts of mileage given. If there was a set amount with no choices, in which people HAD to take it, then the results would have been different)
hope this helps
