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.

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Definitions:

Credit Period

The duration of time the buyer is allowed to pay for a purchase after the sale has been made, without incurring any interest.

High-priced Item

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Low Collateral Value

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