itsmw201822
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SAT scores are normally distributed, with a mean of 1000 and a standard deviation of 200. Approximately 68% of the scores lie between
A.)600 and 1400
B.)680 and 1680
C.)700 and 1300
D.)800 and 1200

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TutIAI
D.  The Empirical Rule states that 68% of all scores lie within 1 standard deviations of the mean, so 1000 - 200 and 1000 + 200 = 800 to 1200.

Jeff Negus
Tutoring In An Instant

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