A Random Sample of 10 Waiters in Weston,West Virginia,revealed the Following

question 142

Essay

A random sample of 10 waiters in Weston,West Virginia,revealed the following hourly earnings,including tips: 19,18,15,16,18,17,16,18,20,and 14.(Units are dollars.)
a.If the hourly earnings are normally distributed with a standard deviation of $4.50,estimate with 95% confidence the mean hourly earnings for all waitresses in Iowa City.
b.Interpret your confidence interval.

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Definitions:

Technical Specialists

Experts on a certain type of technology, such as databases or telecommunications.

Technology Experts

Individuals with specialized knowledge in technology fields, capable of providing insights, solutions, and advancements within their area of expertise.

Systems Investigation

The initial stage in the traditional SDLC that addresses the business problem (or business opportunity) by means of the feasibility study.

Feasibility Study

Investigation that gauges the probability of success of a proposed project and provides a rough assessment of the project’s feasibility.