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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
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) .10 .33 .25 .20 .10 .02 1.00
What is the mean
What is the standard deviation
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