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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 6 1 2

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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 6 1 2 3 4 5 Total P(x) .63 .42 .36 .19 .65 .61 1.66 (a) Calculate the mean and standard deviation. [Round your mean value to 2 decimal places and standard deviation to 3 decimal places.) Mean Standard deviation

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