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) | .06 | .35 | .27 | .20 | .11 | .01 | 1.00 |
(a) Calculate the mean and standard deviation.
(Round your mean value to 2 decimal places and standard
deviation to 3 decimal places.)
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