Mathematics, 29.04.2021 19:40 iloveporche6364

XX is a discrete random variable. The table below defines a probability distribution for XXX. What is the expected value of XXX?
xxx P(X = x)P(X=x)P, left parenthesis, X, equals, x, right parenthesis
101010 0.20.20, point, 2
202020 0.30.30, point, 3
303030 0.150.150, point, 15
404040 0.350.350, point, 35

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