A discrete random variable X can assume the following values, 42, 44, 46, 48, 50. Its probability distribution is shown in the table below.  . X 42 44 46 48 50 P(X) .3 ? .2 .1 .15   Find the probability for a value of x=44 P(X>44) Calculate E(X) or the expected value. Calculate the standard deviation.

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