The answer: 5/30, simplify to 1/6.
Work:
-Add all the people that were survayed. [9+14+5+2=30] 30 people in total.
-There are only 5 people that visited the musem but not the zoo.
-The probability is but in fraction form; (5/30)
-Simplify; (1/6)
So the probability is...1/6.
