A sample value of random variable r

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A student's final exam grade depends on how close the student sits to the center of the classroom during lectures. If a student sits r feet from the center of the room, the grade is a Gaussian random variable with expected value 80 - r and standard deviation r. If r is a sample value of random variable R, and X is the exam grade, what is f_X|R(x|r)?

Reference no: EM131084658

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