Question: The scores on a standardized test are normally distributed with a mean of 120 and standard deviation of 15. What test score is 2.3 standard

The scores on a standardized test are normally distributed with a mean of 120 and standard deviation of 15. What test score is 2.3 standard deviations below the mean?

The scores on a standardized test are normally distributed with a mean of 100 and standard deviation of 15. What test score is 2 standard deviations below the mean?

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