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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) | .02 | .41 | .29 | .17 | .07 | .04 | 1.00 |
(a) Calculate the mean and standard deviation.
Mean?
Standard Deviation?
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