Woof Chow Dog Food Company Believes That It Has a Market

question 107

Multiple Choice

Woof Chow Dog Food Company believes that it has a market share of 25 percent. It surveys n = 100 dog owners and ask whether or not Woof Chow is their regular brand of dog food. The appropriate null and alternate hypotheses are:

• A) H0 : ρ = .25 Ha : ρ ≠ .25
• B) H0 : p = .25 Ha : p ≠ .25
• C) H0 : μ = .25 Ha : μ ≠ .25
• D) H0 : p ≤ .25 Ha : p > .25

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Definitions:

Pancreatic Duct Cancer

A malignant tumor located in the ducts that carry digestive enzymes from the pancreas to the small intestine.

Patient

An individual receiving medical treatment or evaluation.

Intraductal Carcinoma

A type of breast cancer that starts in the milk ducts and has not invaded nearby tissue, also often referred to as ductal carcinoma in situ (DCIS).

Breast

A tissue overlying the chest muscles in humans and other mammals, containing mammary glands which produce milk to feed infants.