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Unformatted text preview: (b) z=(70-68.90/13.693=+.08; from the z tables .4681 of the curve is above this and (.4681) (200)=93.62 so about 94 more people should score above 70 (c)if the data are not normally distributed, the normal curve is not a very accurate model for our expectations....
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This note was uploaded on 04/13/2010 for the course BUSINESS 15643 taught by Professor Schilz during the Spring '10 term at École Normale Supérieure.
- Spring '10