posted by Peter on .
The Wildlife Federation surveyed 170 San Diego residents. The results are as follows:
26 had a membership to the Birch Aquarium
44 had a membership to the San Diego Zoo
17 had both
construct a venn diagram answering the foloowing questions
i. How many had only a zoo membership?
ii. How many had only an aquarium membership?
iii. How many belonged to either one or the other or both?
iv. How many belonged to neither?
Draw a Venn diagram and put quantities beside each set.
Are you able to work out some of the answers?