Item 3 3.33 of 10 points awarded Item Scored
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) .04 .43 .29 .18 .05 .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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