The results from a statistics class’ first exam are as follows: The average grade obtained on the exam by its 45 students is an 85, with a standard deviation of 15 points. Answer the following based...

The results from a statistics class’ first exam are as follows: The average grade obtained on the exam by its 45 students is an 85, with a standard deviation of 15 points. Answer the following based on this information:

What percentage of individuals received a score whose z-score was -.70 or less?

Sep 12, 2022

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The results from a statistics class’ first exam are as follows: The average grade obtained on the exam by its 45 students is an 85, with a standard deviation of 15 points. Answer the following based...

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