11. A 14-year-old boy is 66 in, tall. His 6-vear-old brother is 47 in. tall. The following table gives the means and standard deviations for the heights of 6- and 14-year-old boys. Assume that the heights of boys at a particular age are normally distributed. Age Mean Standard deviation 6. 45.8 in. 1.4 14 64.3 in. 2.8 a. Which boy is taller for his age? b. If there are 11 other boys in the 6-year-old's class at school, how many of them would you expect to be taller than he is?
11. A 14-year-old boy is 66 in, tall. His 6-vear-old brother is 47 in. tall. The following table gives the means and standard deviations for the heights of 6- and 14-year-old boys. Assume that the heights of boys at a particular age are normally distributed. Age Mean Standard deviation 6. 45.8 in. 1.4 14 64.3 in. 2.8 a. Which boy is taller for his age? b. If there are 11 other boys in the 6-year-old's class at school, how many of them would you expect to be taller than he is?
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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