Assume that you assign the following subjective probabilities for your final grade in your econometrics course (the standard GPA scale of 4 = A to 0 = F applies): Probability Grade A 0.20 0.50 0.20 0.08 0.02 The expected value is: A. 3.0. B. 3.5. C. 2.78. OD. 3.25. ABCDE

expected value is: A. 3.0 . B. 3.5 . c. 278 . D. 325