Cholesterol is a fatty substance that is an important part of the outer lining (membrane) of cells in the body of animals. Suppose that the mean and standard deviation for a population of individuals are 180 mg/dl and 20 mg/dl, respectively. Samples are obtained from 25 individuals, and these are independent. (a) What is the probability that the average of the 25 measurements exceeds 185 mg/dl? (b) Determine symmetric limits around 180 such that the probability that the sample average is within the limits equals 0.95.
Cholesterol is a fatty substance that is an important part of the outer lining (membrane) of cells in the body of animals. Suppose that the mean and standard deviation for a population of individuals are 180 mg/dl and 20 mg/dl, respectively. Samples are obtained from 25 individuals, and these are independent. (a) What is the probability that the average of the 25 measurements exceeds 185 mg/dl? (b) Determine symmetric limits around 180 such that the probability that the sample average is within the limits equals 0.95.
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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