The State Highway Department Is Studying Traffic Patterns on One $\mu$

question 7

Multiple Choice

The state highway department is studying traffic patterns on one of the busiest highways in the state.As part of the study,the department needs to estimate the average number of vehicles that pass an intersection each day.A random sample of 64 days gives us a sample mean of 14,205 cars and a sample standard deviation of 1,010 cars.What is the 92% confidence interval estimate of $\mu$ ,the mean number of cars passing the intersection?

• A)[12,438 15,972]
• B)[14,028 14,382]
• C)[12,189 14,221]
• D)[13,984 14,426]
• E)[14,183 14,227]

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Definitions:

Project

A systematically planned group of tasks that are interdependent, meant to be executed within a fixed timeframe whilst respecting certain financial and additional limits.

Mutually Exclusive Projects

Projects in which the acceptance of one proposal means the others cannot be pursued, requiring a choice to be made.

Capital Budgeting Analyses

The process of evaluating investment opportunities and deciding which capital expenditures will provide the most value over time.

Delivery Truck

A vehicle specifically designed and used for transporting goods from one location to another, often utilized by businesses for logistical purposes.