Question: Grades in a class are based on a linear combination of a final exam (worth 50% of the grade), a midterm (worth 30%), and homework

Grades in a class are based on a linear combination of a final exam (worth 50% of the grade), a midterm (worth 30%), and homework (worth 20%). Let the random vector [? ? ?]? consist of the final, midterm, and homework scores of a randomly picked student

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