Two Hospital Emergency Rooms Use Different Procedures for Triage of Their

question 69

Multiple Choice

Two hospital emergency rooms use different procedures for triage of their patients.We want to test the claim that the mean waiting time of patients is the same for both hospitals.The 40 randomly selected subjects from one hospital produce a mean of 18.3 minutes.The 50 randomly selected patients from the other hospital produce a mean of 25.31 minutes.Assume a $\sigma$ _a = 2.1 minutes and $\sigma$ _b = 2.92 minutes.What do you conclude about the waiting time for patients in the two hospitals testing at $\alpha$ = .001?

• A)There is a significant difference in waiting times
• B)There is no significant difference in waiting times

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Definitions:

Fixed Production Costs

Expenses that do not change with the level of production, such as rent, salaries, and equipment leasing.

Unit Product Cost

The calculated cost of producing a single unit of product, including direct materials, labor, and overhead costs.

Average Cost

The cost calculated by dividing the total cost of goods available for sale by the total units available for sale.

Financial Advantage

A benefit or edge that contributes to a stronger financial position relative to competitors or within the marketplace.