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:

Oral Stage

The earliest developmental stage in Freud’s conceptualization of psychosexual development, during which the infant’s main gratification comes from feeding and from the body parts involved in feeding.

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Professionals who specialize in cognitive-behavioral therapy, focusing on identifying and changing negative thought patterns and behaviors.

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A progressively worsening situation where one negative event triggers another, leading to a continuous decline in circumstances or mood.

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