Please help.

On the midnight shift, the number of patients with head trauma in an emergency room has the probability distribution shown below. Jr 0 1 2 3 4 5 Total P(x) .63 .32 .27 .19 .19 .89 1.86 [a] Calculate the mean and standard deviation. [Round your mean value to 2 decimal places and standard deviation ta 3 decimal places} Mean . 1? Standard deviation .113 o