Mathematics
Mathematics, 12.08.2020 05:01, comawhite7820

Mrs. Simpson’s calculus class has an exam with an average score of 80 and standard deviation of 15. Assume that exam scores are normally distributed. If Mrs. Simpson decides to give an A grade to students who score in the top 20% of the class, what exam score is needed in order to get the A grade? (3pts)

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Mrs. Simpson’s calculus class has an exam with an average score of 80 and standard deviation of 15....

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