How many students owned a dog and a cat, but not a bird? e)How many students owned a cat or a bird, but not both? f)How many students owned at least two pets?

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter2: Working With Real Numbers
Section2.3: Rules For Addition
Problem 7P
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Draw a Venn diagram to answer this problem.  The Vet Tech students at SUNY Canton surveyed 120 students at the college to find out about the pets they own.

 

64 students owned a dog

71 students owned a cat 

42 students owned a bird 

37 students owned a dog and a cat

16 students owned a dog and a bird

28 students owned a cat and a bird

8   students owned a dog, a cat, and a bird

 

 This question has more than one answer. It is not mulitple choice. Please be sure to answer all parts a through f.

  1. d)How many students owned a dog and a cat, but not a bird?
  2. e)How many students owned a cat or a bird, but not both?
  3. f)How many students owned at least two pets?

 

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