The random variables A and B follow normal distribution. It is know that the random variable A has a standard deviation o1 = 6, and the random variable B has a standard deviation o2 = 5. Take a sample size of 50 from each random variable; we obtain 21 bar (average) =78 and 22 bar(average) = 87. We conclude that the mean of variable A is higher. O True O False
The random variables A and B follow normal distribution. It is know that the random variable A has a standard deviation o1 = 6, and the random variable B has a standard deviation o2 = 5. Take a sample size of 50 from each random variable; we obtain 21 bar (average) =78 and 22 bar(average) = 87. We conclude that the mean of variable A is higher. O True O False
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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