At a 20th high school reunion, all the classmates were asked the number of children they had. The probability of having a particular number of...

of children for these graduates.

(g)   What is the standard deviation for the number of children of these graduates?

(h)   Construct a probability histogram for this distribution with all the proper labeling.

(i)     Mark the mean on the histogram and comment on its position and the shape of the distribution.