Pure-Bred Dogs Competing in Shows Must Often Meet Specific Height

question 52

Short Answer

Pure-bred dogs competing in shows must often meet specific height criteria to be considered to be within the breed standard. A new breed of dog, the pug-cock-a-poo, has been approved by a kennel club. The variance of pug-cock-a-poo height is known to be 2.25 inches squared. You would like to estimate the mean height of all pug-cock-a-poo breeds of dogs.
A) Find the appropriate sample size to achieve a margin of error of 0.3 when maintaining a 90% level of confidence.
B) Find the appropriate sample size to achieve a margin of error of 0.3 when maintaining a 95% level of confidence.

• A) Find the appropriate sample size to achieve a margin of error of 0.3 when maintaining a 90% level of confidence.
• B) Find the appropriate sample size to achieve a margin of error of 0.3 when maintaining a 95% level of confidence.

---

Definitions:

Theory of Mind

Theory of Mind is the ability to attribute mental states, like beliefs, intents, desires, emotions, and knowledge, to oneself and others, and to understand that others have beliefs, desires, and intentions that are different from one's own.

Cognitive Growth

The development of intelligence, conscious thought, and problem-solving ability that occurs as one ages.

Biological Maturation

The process by which living organisms grow and develop physically according to their genetic timetable.

Conservation

The protection, preservation, management, or restoration of natural environments, ecosystems, vegetation, and wildlife.