1. 8
2. 9
3. 11
4. 8
5. 10
6. 7
7. 4
8. 11
9. 4
10. 10
11. 16
12. 10
13. 22
14. 3
15. 16
Answer:
basically multiply the prices by how much they filled up. That should give the answer.
Step-by-step explanation:
Gia is correct for sure if her school has the same amount of students as her cousin's school. So, we don't know if she's right- it depends on the students in both schools.
Answer: 16.2
Step-by-step explanation:
Margin of Error formula :-

Given : Sample size : n= 4
Mean : 
Standard deviation: 
Significance level : 
Now, the margin of error for the sample :-
[by using standard normal distribution table]

Hence, the margin of error for the given sample =16.2