Question: A standardized exam's scores are normally distributed, In a recent year, the mean test score was 1468 and the standard deviation was 316. The

A standardized exam's scores are normally distributed, In a recent year, the

A standardized exam's scores are normally distributed, In a recent year, the mean test score was 1468 and the standard deviation was 316. The test scores of four students selected at random are 1870, 1220, 2170, and 1350. Find the z-scores that correspond to each value and determine whether any of the values are unusual. The z-score for 1870 is. (Round to two decimal places as needed.)

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