A Company Believes That It Controls More Than 30% of the Total

question 84

Multiple Choice

A company believes that it controls more than 30% of the total market share for one of its products.To prove this belief,a random sample of 144 purchases of this product is contacted.It is found that 50 of the 144 purchased this company's brand of the product.If a researcher wants to conduct a statistical test for this problem,the alternative hypothesis would be _______.

• A) the population proportion is less than 0.30
• B) the population proportion is greater than 0.30
• C) the population proportion is not equal to 0.30
• D) the population mean is less than 40
• E) the population mean is greater than 40

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Definitions:

Venous Thromboembolisms

A condition that includes both deep vein thrombosis (blood clot in the deep veins) and pulmonary embolism (a blood clot that has moved to the lungs).

Low-Molecular-Weight Heparin

A class of anticoagulant medications used to prevent and treat blood clots, offering the advantage of not requiring monitoring of the blood's clotting ability.

Oral Anticoagulant

Medication taken by mouth to prevent or treat blood clots by inhibiting the coagulation of blood.

Altruism

The selfless concern for the well-being of others, often at a cost to oneself.