Project #10610 - Interpreting Normal Distributions

Question 2 comes from chapter 5 in your textbook.  You must show all work and provide detailed explanation of your solution.  Please make sure you use correct grammar, spelling, and punctuation when you are composing your post.  Lastly, you must complete three high-quality posts to receive full credit. 

 

 

 

 

32. Heights of Men.   In a survey of men in the United States (ages 20-29), the mean height was 69.9 inches with a standard deviation of 3.0 inches.

 

(a) What height represents the 90th percentile?

 

(b)What height represents the first quartile?

 

 

 Use the z-table in the Appendix of your book to help you answer these questions.  

 

 

Reference Book:


Larson, R., & Farber, B. (2012). Elementary statistics: Picturing the world. (5th ed.). Boston: Prentice Hall

Subject Mathematics
Due By (Pacific Time) 8/9/2013 10pm
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