Question 3- The heights of men in the United States are normally distributed with amean of 69.1 inches and a standarddeviation of 2.9 inches. What proportion of men are taller than 6 feet (72 inches)?

Given that : Mean=69.1 inch Standard deviation =2.9 inches We have to find that P(X >72)=?

Answered: Question 3- The heigh mean of 69.1…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A variable is normally distributed with mean 17 and standard deviation 8. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 16. b) Find the area to the left of 13. c) Find the area to the right of 15. d) Find the area to the right of 19. e) Find the area between 13 and 28.
The data set of size 40 has mean 15 and standard deviation 2. Approximately how many observations lie between 13 and 17?
Question 9 Adult men have heights with a mean of 69.0 inches and a standard deviation of 2.8 inches. Find the z-score of a man 64.7 inches tall. (to 2 decimal places)
Question 12 A variable is normally distributed with mean 22 and standard deviation 7. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 22. b) Find the area to the left of 20. c) Find the area to the right of 21. d) Find the area to the right of 23. e) Find the area between 20 and 29. Question Help: D Post to forum Calculator Submit Question
Question 7 Find the standard deviation of the data set: 15, 42, 53, 7, 9, 12,14, 28,47. 16.78
2 If n=100, X = -20 , EX =220. Find standard deviation Select one: a. 2.1818 b. 2.2626 C. 1.477 d. 1.504
A study determined that the average student who graduates takes 58 months to graduate from college with a bachelor's degree and a standard deviation of 10 months. The distribution was approximately normal. What percentage of college graduates will take longer than 4 years (48 months)? 34.1% 34.1% 13.6% 15.6% 83% 23 15.9% 47.7% O84.1% 97.7% 56°F Clou

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Question 3- The heigh mean of 69.1 inches a deviation of 2.9 inches