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Monsieur Dasa recently gave the first exam to his Introductory French students. The distribution of tests scores has a mean of 80 and a standard

Monsieur Dasa recently gave the first exam to his Introductory French students. The distribution of tests scores has a mean of 80 and a standard deviation of 12. What z-score corresponds to a raw score of X = 71?

Answer not 0.77 tried that but was incorrect

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