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41. In 2011, high school seniors had the following mean and standard deviation on the mathematics portion of the SAT exam: = 514 and σ = 117. a. Approximately what percentage of scores were greater than 397 but less than 631? b. What two scores have approximately 95% of the data between them? d. Describe where the best and worst 0.3% of scores lie.

41. In 2011, high school seniors had the following mean and standard deviation on the mathematics portion of the SAT exam: = 514 and σ = 117. a. Approximately what percentage of scores were greater than 397 but less than 631? b. What two scores have approximately 95% of the data between them? d. Describe where the best and worst 0.3% of scores lie.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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41. In 2011, high school seniors had the following mean and standard deviation on the mathematics portion of the SAT exam: μ = 514 and σ = 117. a. Approximately what percentage of scores were greater than 397 but less than 631? b. What two scores have approximately 95% of the data between them? d. Describe where the best and worst 0.3% of scores lie.
Transcribed Image Text:41. In 2011, high school seniors had the following mean and standard deviation on the mathematics portion of the SAT exam: μ = 514 and σ = 117. a. Approximately what percentage of scores were greater than 397 but less than 631? b. What two scores have approximately 95% of the data between them? d. Describe where the best and worst 0.3% of scores lie.
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