Question
1. If X is a normal random variable with mean 11, and if the probability that X is less than 12.10 is .72 (as shown
1.
If X is a normal random variable with mean 11, and if the probability that X is less than 12.10 is .72 (as shown below), then what is the standard deviation of X? (Note: the diagram is not necessarily to scale.)
http://elearn.usp.ac.fj/pluginfile.php/690901/question/questiontext/1037415/7/649633/Quiz7a.JPG---(IMAGE HERE)
2.If X is a normal random variable with mean 11, and if the probability that X is less than 12.10 is .72 (as shown below), then what is the standard deviation of X? (Note: the diagram is not necessarily to scale.)
http://elearn.usp.ac.fj/pluginfile.php/690901/question/questiontext/1037415/5/668545/Quiz7a.JPG(IMAGE HERE)
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Discrete and Combinatorial Mathematics An Applied Introduction
Authors: Ralph P. Grimaldi
5th edition
201726343, 978-0201726343
