An Entrepreneur Is Considering the Purchase of a Coin-Operated Laundry

question 180

Multiple Choice

An entrepreneur is considering the purchase of a coin-operated laundry.The current owner claims that over the past 5 years,the mean daily revenue was $675 with a population standard deviation of $75.A sample of 30 days reveals a daily mean revenue of $625.If you were to test the null hypothesis that the daily mean revenue was $675 and decide not to reject the null hypothesis,what can you conclude?

• A)There is not enough evidence to conclude that the daily mean revenue was $675.
• B)There is not enough evidence to conclude that the daily mean revenue was not $675.
• C)There is enough evidence to conclude that the daily mean revenue was $675.
• D)There is enough evidence to conclude that the daily mean revenue was not $675.

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Definitions:

Echography

A diagnostic technique using ultrasound waves to produce images of structures within the body; also known as ultrasound imaging.

Cineradiography

A motion picture recording of X-ray images showing the movement of a part of the body.

Fluoroscopy

A medical imaging technique that uses X-rays to obtain real-time moving images of the interior of an object or a body.

Angiography

A medical imaging technique used to visualize the inside, or lumen, of blood vessels and organs of the body, with particular interest in the arteries, veins, and the heart chambers.