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6. Suppose at Columbia University, grade point average (GPA) and SAT scores are related by the conditional expectation E(GPA|SAT) = .90 + .001 SAT. a.

6. Suppose at Columbia University, grade point average (GPA) and SAT scores are related by the conditional expectation E(GPA|SAT) = .90 + .001 SAT. a. Find the expected GPA when SAT = 1600. b. Find E(GPA|SAT=2200) c. If the average SAT in the university is 2000, what is the average GPA?

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