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

question 39

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, which test would you use?

• A) Z-test of a population mean
• B) Z-test of a population proportion
• C) t-test of population mean
• D) t-test of a population proportion

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Definitions:

Post Office

A public institution responsible for the collection, sorting, transport, and delivery of mail.

Probability

The quantification of how likely an event is to occur, expressed as a number ranging between 0 and 1.

Bivariate Distributions

The probability distribution of two random variables, showing the relationship between them.

Requirement

A specified necessity or demand, often detailed within a project, system, or process that must be fulfilled or complied with.