Math Problem Statement
If the random variable X denotes the real valued outcomes given in the following table with the given frequency of occurrence of each of the outcomes, fill in the last line of the table and find the expected value of X. Outcome -2 -1 0 1 2 Frequency 26 22 27 25 12 P(X)
E(X) =
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Statistics
Expected Value of a Discrete Random Variable
Formulas
P(X = x) = Frequency of outcome / Total frequency
E(X) = Σ(x * P(x))
Theorems
Law of Total Expectation
Suitable Grade Level
Grades 9-12
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