(Answered) At stats high there is a difficult exam that every junior

Statistics

At Stats High, there is a difficult exam that every junior takes. Over the last 5 years, the exam results are normally distributed with a mean of 35% and a standard deviation of 7%. If your friend takes the exam and receives 58%, how would you explain to him how he did? What if he received 42%? Support your conclusion with probabilities and Z-scores.

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