Expedia Would Like to Test If the Average Round-Trip Airfare

question 47

Multiple Choice

Expedia would like to test if the average round-trip airfare between Philadelphia and Dublin is less than $1,200. Which of the following hypothesis tests should be performed?

• A) Left-tailed
• B) Right-tailed
• C) Two-tailed
• D) There is not enough information to answer.

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Definitions:

Hispanic American

People in the United States who have ancestry from Latin American countries and the Iberian Peninsula.

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The knowledge or skill acquired by observing, participating in, or being exposed to events or activities over time.

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A type of headache characterized by intense, throbbing pain usually on one side of the head, often accompanied by nausea, vomiting, and sensitivity to light and sound.