Basic Technical Mathematics, 11th Edition

Exercises 22.4, page 636

1. 1. The peak would be as high as for the left curve, and it would be centered as for the right curve.

2. 3. 2.6; It is 2.6 standard deviations above the mean.

3. 5. 95%

4. 7. 99.85%

5. 9. 1.2; It is 1.2 standard deviations above the mean.

6. 11. $\hspace{0.17em}-\hspace{0.17em}2.4\hspace{0.17em};\hspace{0.17em}$ It is 2.4 standard deviations below the mean.

7. 13. 68%

8. 15. 78.81%

9. 17. 43.32%

10. 19. 180

11. 21. 3.59%

12. 23. 2.28%

13. 25. $\hspace{0.17em}-\hspace{0.17em}0.7$

14. 27. $\hspace{0.17em}-\hspace{0.17em}0.6$

15. 29. 53.28%