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Better grade exam scores

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Reference no: EM1396524

Which of the following exam scores should lead to the better grade?

A) A score of X = 55 on an exam with µ = 60 and σ = 5.

B) A score of X = 40 on an exam with µ = 50 and σ = 20

C) Explain your answer.

Reference no: EM1396524

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