In a law school class, the entering students averaged about 160 on the LSAT; the SD was

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In a law school class, the entering students averaged about 160 on the LSAT; the SD was about 8. The histogram of LSAT scores followed the normal curve reasonably well. (LSAT scores range from 120 to 180; among all test-takers, the average is around 150 and the SD is around 9.)

(a) About what percentage of the class scored below 166?

(b) One student was 0.5 SDs above average on the LSAT. About what percentage of the students had lower scores than he did? p-968

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Statistics

ISBN: 9780393522105

4th Edition

Authors: David Freedman, Robert Pisani, Roger Purves

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