The Local Swim Team Is Considering Offering a New Semi-Private $\sigma$

question 94

Multiple Choice

The local swim team is considering offering a new semi-private class aimed at entry-level swimmers, but needs a minimum number of swimmers to sign up in order to be cost effective.Last year's data showed that during 8 swim sessions the average number of entry-level swimmers attending was 15.Suppose the instructor wants to conduct a hypothesis test and the alternative hypothesis is "the population mean is greater than 15." If the sample size is 5, $\sigma$ is known, and α = .01, the critical value of z is _______.

• A)2.575
• B)-2.575
• C)2.33
• D)-2.33
• E)2.45

---

Definitions:

Journalistic Approach

A method of investigation and storytelling intended to report news in a factual, unbiased manner.

Mind Mapping

A visual diagramming technique used to organize information, ideas, or thoughts around a central concept, facilitating problem-solving and idea generation.

Main Idea

The central or most important point that a writer or speaker is attempting to communicate in a text or conversation.

Topic

A topic is the subject matter or the area of discussion, research, or writing, providing a focus or central theme to explore and elaborate upon.