The table below shows the scores on a science test. John
75
Brett
80
Elizabeth
90
Cindy
100
Jake
75
Kenji
85
Rick
80
Joy
80
Raul
90
Suni
85

The number of standard deviations between a score and the mean score is indicated by a z-score. What was Cindy’s z-score on the science test?
a.
–2.2
c.
16
b.
100
d.
2.2

you never say the total so we cant find the percentage used for petrol

step-by-step explanation:

1. 3.4/4

2. 0.8/7

3. 0.5 x 3

4. 0.9 x 6

5. 10.8

6. 2.35

7. 0.567

8. 9.35

9. 0.02

10. 0.06

11. 0.16

12. 0.42

13. 0.63

14. 5.6

15. 8.1

16. 9.9

17. 0.28

18. 0.48

19. 0.27

20. 0.49

21. 0.45

22. 0.72

23. 0.9

24. 0.88

25. 0.75

26. 0.16

27. 0.328

28. 0.495

29. 0.72

30. 1.068

so far i think you have the right thing going for you just remember soh cah toh

step-by-step explanation:

sine over hypotenuse

cosine   equals adjacent

tangent over hypotenuse

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