princesincer1215 princesincer1215

30-01-2024
Mathematics

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Emma earned a score of 725 on Exam A that had a mean of 650 and a standard deviation of 50. She is about to take Exam B that has a mean of 350 and a standard deviation of 40. How well must Emma score on Exam B in order to do equivalently well as she did on Exam A? Assume that scores on each exam are normally distributed.

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