"> (Answered) A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1475 and the standard deviation was 311. - Tutorials Prime

## (Answered) A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1475 and the standard deviation was 311.

A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1475 and the standard deviation was 311.

A standardizedâ€‹Â exam's scores are normally distributed. In a recentâ€‹Â year, the mean test score was 1475 and the standard deviation was 311. The test scores of three students selected at random areâ€‹Â 1900, 1240, and 2170. Find theâ€‹Â z-scores that correspond to each value and determine if that value would be considered unusual. Use the criteria at the bottom of page 241 to determine if the value would be considered unusual. a. Find theâ€‹Â z-score for 1900.b. Find theâ€‹Â z-score for 1240.c. Find theâ€‹Â z-score for 2170.

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This question was answered on: Jan 02, 2020

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