Mystic Pizza Mystic Pizza in Mystic, Connecticut, Advertises That They

question 22

Essay

Mystic Pizza Mystic Pizza in Mystic, Connecticut, advertises that they deliver your pizza within 15 minutes of placing an order or it is free. A sample of 25 customers is selected at random. The average delivery time in the sample was 13 minutes with a sample standard deviation of 4 minutes. {Mystic Pizza Narrative} We want to know whether Mystic can make this claim or not. Test to determine if we can infer at the 5% significance level that the population mean delivery time is less than 15 minutes.

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Definitions:

Sound Wave

A wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.

Human Tongue

A muscular organ in the mouth of humans that is involved in taste, speech, and the manipulation of food.

Salty

One of the basic tastes, often associated with the presence of sodium ions.

Receptor Cells

Specialized cells that detect specific types of energy (e.g., light, sound, chemicals) and convert them into neural signals for the brain to process.