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:

Granular Cells

Cells that contain granules in their cytoplasm, which may store enzymes, hormones, or other substances involved in various biological processes.

Bicarbonate

A buffer that plays a vital role in maintaining the pH balance in the blood and other bodily fluids.

Pancreatic Juice

A liquid secreted by the pancreas that contains a variety of enzymes critical for the digestion of food in the small intestine.

Goblet Cells

Epithelial cells that secrete mucus to protect and lubricate many internal body surfaces.