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

question 30

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 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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