A Coffee-Dispensing Machine Is Supposed to Deliver 8 Ounces of Liquid

question 48

Multiple Choice

A coffee-dispensing machine is supposed to deliver 8 ounces of liquid into each paper cup, but a consumer believes that the actual mean amount is less.The consumer obtained a sample of 49 cups of the dispensed liquid with average of 7.75 ounces.If the sample variance of the dispensed liquid delivered per cup is 0.81 ounces, and α = 0.05, the appropriate decision is to ________.

• A)increase the sample size
• B)reduce the sample size
• C)fail to reject the 8-ounces claim
• D)maintain status quo
• E)reject the 8-ounces claim

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Definitions:

Washington's Ability

Refers to the skills, leadership qualities, and strategic insights of George Washington, especially as a military commander during the American Revolution and as the first President of the United States.

Thomas Paine

An influential English-born American political activist, philosopher, and author known for his works advocating independence and democratic principles.

Common Sense

Common Sense often refers to good sense and sound judgment in practical matters, and is also the title of a pamphlet by Thomas Paine published in 1776 advocating for American independence from Britain.

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Governments characterized by an authoritarian form of rule where a single entity or a small group possess absolute power without effective constitutional limitations.