3. Given the following relative-frequency table for the probability distribution of X, what are the expected value (4) and the standard deviation (o)? x P(X=x) 5 .10 10.14 15.29 20.47 O H = 17.98, o = 15.94 OH = 269.75, o = 4.98 OH = 15.65, o = 15.94 O H= 15.65, o = 4.98

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