Would you expect distributions of these variables to be uniform, unimodal or bimodal? Symmetric or skewed? Explain why.
(a) Ages of shoppers in a convenience store near a university late Saturday night
(b) Number of children of shoppers in a toy store
(c) Amount of cash taken in by retail cashiers during a two-hour shift
(d) Number of packages processed each day by Federal Express in their hub location in Memphis, Tennessee, during August and the four weeks before Christmas