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Use the Following Information for Questions

Question 20

Multiple Choice

Use the following information for questions:
Joan has noticed that the probability distribution for X = number of students in line to use the campus ATM machine when she shows up to use it is shown below. Use the following information for questions: Joan has noticed that the probability distribution for X = number of students in line to use the campus ATM machine when she shows up to use it is shown below. -What is the expected value of X, E(X) ? A) 2.0 B) 2.2 C) 2.5 D) 3.0
-What is the expected value of X, E(X) ?


A) 2.0
B) 2.2
C) 2.5
D) 3.0

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