The average score of freshmen on an aptitude test at a certain university is 540, with a standard deviation of 52. Assume that the means are measured with any degree of precision. What is the probability that two randomly selected groups, consisting of 32 and 50 students, respectively, differ in their average scores by a) more than 20 points? b) an amount between 5 and 10 points?
The average score of freshmen on an aptitude test at a certain university is 540, with a standard deviation of 52. Assume that the means are measured with any degree of precision. What is the probability that two randomly selected groups, consisting of 32 and 50 students, respectively, differ in their average scores by a) more than 20 points? b) an amount between 5 and 10 points?
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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The average score of freshmen on an aptitude test at a certain university is 540, with a standard deviation of 52. Assume that the means are measured with any degree of precision. What is the probability that two randomly selected groups, consisting of 32 and 50 students, respectively, differ in their average scores by
a) more than 20 points?
b) an amount between 5 and 10 points?
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