9 7 59 families are asked whether they have a cat (C) or a dog (D). 26 only have a cat. 14 only have a dog. 11 have both a cat and a dog. (a) Show this information on the Venn diagram. ● ● E C D (b) (i) How many of the families do not have a cat or a dog? (b)(i) D (ii) Write your answer in the correct place on the Venn diagram. (c) One of the families is chosen at random. Write down the probability that they have a dog.​