A paper bag contains a mixture of three types of candy. There are ten chocolate bars, seven fruit bars, and three packages of toffee. (a) Draw a Venn diagram to illustrate the contents of the bag. (b) Suppose a child selects one item from the bag at random. Determine the probability that the child chooses (i) a chocolate bar (ii) a package of toffee (iii) something other than a fruit bar