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On the midnight shift, the number of patients with head trauma in an emergency room has the probability distribution shown below. X 0 1 2 3 4 5 Total P(X) .61 .48 .29 .18 .10 .62 1.63 ta] Calculate the mean and standard deviation. [Round your mean value to 2 decimal places and standard deviation to 3 decimal places.} Mean Standard deviation