Interpreting Z-Scores Page 4

Sect. 3.2 Worksheet #2 p.2

7. What percentage of men have a height between 70 inches and 78 inches?

8. The average height of adult American men is 69 inches. What percent of the adult men in the Dinaric Alps

are taller than the average American man?

9. What would be the minimum height of man in the Dinaric Alps that would place him in the top 10% of all

heights?

The length of pregnancy for the Asian elephant has an approximately normal distribution with an

average length of 609 days and standard deviation of 31 days.

10. How long do the longest 5% of all elephant pregnancies last?

11. What percent of the elephant pregnancies last between 600 and 615 days?

12. The shortest 20% of all elephant pregnancies last fewer than how many days?

13. The middle 50% of all elephant pregnancies fall between how many days?

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