2. Suppose that quiz scores in a beginning statistics class have a mean of 7.2 with a standard deviation of 0.4 . What is the proportion of scores greater than 8.4 ?
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2- Suppose that quiz scores in a beginning statistics class have a mea.docx
1. 2. Suppose that quiz scores in a beginning statistics class have a mean of 7.2 with a standard
deviation of 0.4 . What is the proportion of scores greater than 8.4 ?