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In: Statistics and Probability

31. The 2018 Math Portion of the SAT scores are normally distributed with a mean of...

31. The 2018 Math Portion of the SAT scores are normally distributed with a mean of 527 and a standard deviation of 117. Give the range of scores that will satisfy the 68%, 95% and 99.7% of the Empirical Rule.

32. Use the mean and standard deviation from #31 for the Math Portion of the SAT. Suzette took the SAT in 2018 and scored higher, on the Math Portion, than the bottom 30% but lower than the top 12% of those taking the test. Give the upper and lower bounds for Suzette’s score.

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TOPIC:Empirical rule and Normal distribution.


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