calculate the mean and standard deviation

m On the midnight shift, the number of patients with head trauma in an emergency room has the probability distribution shown belo N P(x) .05 Total .44 .30 1.00 (a) Calculate the mean and standard deviation. (Round your mean value to 2 decimal places and standard deviation to 3 decim places.) cBook Ask Mean 0.50 Print Standard deviation References (b) Describe the shape of this distribution. Skewed to the right Skewed to the left Symmetric Next >