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The GPA's of a large population of college students are approximately normally distributed with
mean 2.6 and variance 3.6. What fraction of the students will possess a GPA in between 2.2 and
3.4?
Solution
z1=-.4/1.87=-.21 z2=.42 P( GPA in between 2.2 and 3.4)=.66-.41=.25

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The GPAs of a large population of college students are approximate.pdf

  • 1. The GPA's of a large population of college students are approximately normally distributed with mean 2.6 and variance 3.6. What fraction of the students will possess a GPA in between 2.2 and 3.4? Solution z1=-.4/1.87=-.21 z2=.42 P( GPA in between 2.2 and 3.4)=.66-.41=.25