The scores on a finite mathematics test were normally distributed with a mean of 76 and a standard deviation of 12.   ​[a] The minimum score a student could obtain in order to receive an A is 90.What is the probability a randomly selected student receives an​ A? [b] The minimum score a student could obtain in order to pass the test is 60. What is the probability a randomly selected student failed the​ test?

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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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The scores on a finite mathematics test were normally distributed with a mean of 76 and a standard deviation of 12.
 
​[a] The minimum score a student could obtain in order to receive an A is
90.What is the probability a randomly selected student receives an​ A?
[b] The minimum score a student could obtain in order to pass the test is
60. What is the probability a randomly selected student failed the​ test?

 

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