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Use the following information for questions:
Ellen is taking 4 courses for the semester. She believes that the probability distribution function for X = the number of courses for which she will get an A grade is given below. Use the following information for questions:  Ellen is taking 4 courses for the semester. She believes that the probability distribution function for X = the number of courses for which she will get an A grade is given below.   -What is the expected number of A's she will get? (i.e. What is E(X)?)
-What is the expected number of A's she will get? (i.e. What is E(X)?)

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blured image= E(X) = 0(0.10) + 1...

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