# Normal Distributions and Standard Deviation

According to the 1996 Statistical Abstract of the United States, 7.6% of the scores on the verbal portion of the Scholastic Aptitude Test (SAT) exceeded 600. Approximately, 42.3% of the cores were less than 400, according to the same reference. Assuming that scores on the verbal portion of the Scholastic Aptitude Test are approximately normally distributed, what are the mean and the standard deviation of the scores on the verbal portion of the Scholastic Aptitude Test?

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Normal Distributions and Standard Deviation are investigated. The solution is detailed and well presented. The response received a rating of "5/5" from the student who originally posted the question.

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