ework: Chapter 6 (Sections 61 through 6.4) Saved Help Save & Exit Sub Check my work mode : This shows what is correct or incorrect for the work you have completed so far. It does not indicate completion. Return to questic On the midnight shift, the number of patients with head trauma in an emergency room has the probability distribution shown below. X 1 2 3 4 5 Total P (x ) .03 .42 - 30 . 19 .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.) Mean 0. 16 Standard deviation 0.152 X (b) Describe the shape of this distribution. O Skewed to the right O Skewed to the left