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Suppose your statistics professor reports test grades as z-scores, and you got a score of...

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Basic Math

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Suppose your statistics professor reports test grades as z-scores, and you got a score of 2.50 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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