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:

Nucleophilic

Pertaining to a molecule or ion that donates an electron pair to form a chemical bond in reaction.

Substitution Reaction

A chemical reaction where one functional group in a chemical compound is replaced by another.

Mechanism

A mechanism is a description of the step-by-step process by which reactants are transformed into products in a chemical reaction, including the intermediate stages and transition states.

Anionic Nucleophiles

Negatively charged species that donate an electron pair to electrophiles in chemical reactions.