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Suppose your statistics professor reports test grades as​ z-scores, and you got a score of 2.25 on an exam.

​a) Write a sentence explaining what that means.
​b) Your friend got a​ z-score of −1. If the grades satisfy the Nearly Normal​ Condition, about what percent of the class scored lower than your​ friend?

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This a similar question. So go through and answer your please.
Suppose your statistics professor reports test grades as​ z-scores, and you got a-example-1
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