3. Given the following relative-frequency table for the probability distribution of X, what are the expected value (u) and the standard deviation (o)? x P(X = x) 2.36 4.08 6.54 8.02 Ομ=4.44 , σ1.93 Ομ=2.22, σ1.93 O u = 4.44, o = 3.73

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