Suppose that the final grades in a stats course are approximately Normally distributed, with an average grade
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Question:
Suppose that the final grades in a stats course are approximately Normally distributed, with an average grade of 83 and a SD of 5. A student is randomly selected.
a.) what is the probability that the selected student received an A (at least 90)?
b.) the students know that their final grade is at the 81st percentile. Show whether or not that students grade is an A.
Related Book For
Understanding Basic Statistics
ISBN: 978-1111827021
6th edition
Authors: Charles Henry Brase, Corrinne Pellillo Brase
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