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A standardizedexam's scores are normally distributed. In a recentyear, the mean test score was 21.2 and the standard deviation was 5.6. The test scores of

A standardizedexam's scores are normally distributed. In a recentyear, the mean test score was 21.2 and the standard deviation was 5.6. The test scores of four students selected at random are 14, 24, 7, and 35. Find thez-scores that correspond to each value and determine whether any of the values are unusual.

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