Question: Question 3: Assume that a ISE student gets grade A from his courses with probability 1/4 (independent of the grade he gets from other courses).

Question 3: Assume that a ISE student gets "grade A" from his courses with probability 1/4 (independent of the grade he gets from other courses). Suppose that s/he takes only two courses on a given semester (Decision Theory and Quality Control), what is the probability that he gets "grade A" from those two courses given that; a) He has got an "grade A" from Quality Control, b) He has got at least one grade A

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