A standardized exam s scores are normally distributed In a recent year the mean test...
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A standardized exam s scores are normally distributed In a recent year the mean test score was 20 7 and the standard deviation was 5 4 The test scores of four students selected at random are 13 22 8 and 36 Find the z scores that correspond to each value and determine whether any of the values are unusual The z score for 13 is Round to two decimal places as needed
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