The Provincial Transportation Department Is Studying Traffic Patterns on One $\mu$

question 54

Multiple Choice

The provincial transportation department is studying traffic patterns on one of the busiest highways in the province.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.Historically,the population standard deviation has been approximately 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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