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What the answer in the box for Mean And standard deviation On the midnight shift, the number of patients with head trauma in an emergency

What the answer in the box for Mean And standard deviation

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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 2 3 4 5 Total P(x) . 05 .34 .26 .20 . 10 .05 1.00 (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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