|
Question 1195153: The heights of the adult male population on a given island are normally distributed with mean 70 inches and standard deviation of 2.5 inches.
(a.) what percentage of heights is within 1 standard deviation of the mean? That is, what percentage of heights is between 70-2.5=67.5 inches and 70+2.5=72.5 inches?
(b.) what percentage of male population are shorter than 65 inches?
(c.) what percentage of males are taller than 67 inches?
(d.) what percentage is between 67 and 68 inches?
Answer by ikleyn(52782)   (Show Source):
You can put this solution on YOUR website! .
It is about finding the area under the normal curve.
Use free of charge online calculator
https://onlinestatbook.com/2/calculators/normal_dist.html
specially intended for this purpose.
Doing this way is the simplest, the quickest and the easiest way to solve the problem.
It is also the best way to learn the subject.
|
|
|
| |
