Questions: Knowledge Check Question 9 An animal sanctuary houses a variety of animals. To understand the workload of the sanctuary's veterinarians, the director looked at which types of animals treated or not treated by various doctors. The Venn diagram shows this information for three of the doctors. (a) Select all the doctors who treat birds. Dr. Nguyen Dr. Carter Dr. Flores (b) How many types of animals are treated by Dr. Nguyen or Dr. Carter (or both)? (c) Which types of animals are treated only by one of the three doctors (Dr. Nguyen, Dr. Carter, or Dr. Flores)? Choose all that apply. Birds Cats Elks Frogs Goats Horses Iguanas Koalas Mice Pigs Quails Snakes Turtles

Knowledge Check
Question 9

An animal sanctuary houses a variety of animals. To understand the workload of the sanctuary's veterinarians, the director looked at which types of animals treated or not treated by various doctors. The Venn diagram shows this information for three of the doctors.
(a) Select all the doctors who treat birds.
Dr. Nguyen Dr. Carter Dr. Flores
(b) How many types of animals are treated by Dr. Nguyen or Dr. Carter (or both)?
(c) Which types of animals are treated only by one of the three doctors (Dr. Nguyen, Dr. Carter, or Dr. Flores)? Choose all that apply.
Birds Cats Elks Frogs Goats
Horses Iguanas Koalas Mice Pigs
Quails Snakes Turtles
Transcript text: Knowledge Check Question 9 An animal sanctuary houses a variety of animals. To understand the workload of the sanctuary's veterinarians, the director looked at which types of animals treated or not treated by various doctors. The Venn diagram shows this information for three of the doctors. (a) Select all the doctors who treat birds. Dr. Nguyen Dr. Carter Dr. Flores (b) How many types of animals are treated by Dr. Nguyen or Dr. Carter (or both)? (c) Which types of animals are treated only by one of the three doctors (Dr. Nguyen, Dr. Carter, or Dr. Flores)? Choose all that apply. Birds Cats Elks Frogs Goats Horses Iguanas Koalas Mice Pigs Quails Snakes Turtles
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Solution

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Solution Steps

Step 1: Doctors who treat birds

Birds are located in the overlapping section of all three doctors.

Step 2: Number of animals treated by Dr. Nguyen or Dr. Carter

Dr. Nguyen treats: Snakes, Pigs, Goats, Birds, Quails, Cats, and Mice. Dr. Carter treats: Pigs, Goats, Koalas, Elks, Birds, Quails, and Mice. Together they treat: Snakes, Pigs, Goats, Koalas, Elks, Birds, Quails, Cats, and Mice. This is 9 types of animals.

Step 3: Animals treated by only one doctor

Dr. Nguyen only: Snakes Dr. Carter only: Koalas, Elks Dr. Flores only: Horses, Iguanas, Turtles

Final Answer:

(a) Dr. Nguyen, Dr. Carter, Dr. Flores (b) 9 (c) Snakes, Koalas, Elks, Horses, Iguanas, Turtles

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