Coffee ​ a Supermarket Chain Has Its Own House Brand

question 2

Essay

Coffee
​ A supermarket chain has its own house brand of coffee.The general manager claims that their coffee is better than the coffee sold by a well-known Coffee Shop chain.To test the claim 40 individuals are randomly selected to participate in the following experiment.Each respondent is given the two brands of coffee to taste (without any identification)and asked to judge which one is better.Suppose that 25 people judge the Coffee Shop chain brand better,four say that the brands taste the same,and the rest claim that the supermarket brand is better. ​ ​
-{Coffee Narrative} Can we conclude at the 1% significance level that the general managers' claim is false?

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Definitions:

Ministroke

Also known as a Transient Ischemic Attack (TIA), it refers to a brief interruption of blood supply to part of the brain, causing temporary stroke-like symptoms.

Brain Attack

Another term for a stroke, a medical condition where poor blood flow to the brain results in cell death, causing loss of muscle control, speech, or other functions.

Nonbarbiturate Sedative

A class of sedatives that induce sleep and reduce anxiety without the use of barbiturates, which have a different chemical structure.

Tylenol

A brand name for acetaminophen, a medication used to reduce pain and fever.