Dover Motors Is a Car Dealership That Sells New and Used

question 103

Multiple Choice

Dover Motors is a car dealership that sells new and used cars. Suppose they sold 140 used cars during the most recent quarter. The average selling price was $10,325 with a standard deviation of $2,880. A random sample of 60 used cars from this population was selected. What is the probability that the sample mean exceeds $10,000?

• A)0.9115
• B)0.8749
• C)0.5987
• D)0.6736

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Definitions:

Composite Faces

Images created by combining facial features from two or more photographs to study facial recognition and attractiveness.

Photographs

Images captured by a camera that record visual information on a light-sensitive surface or digital medium.

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Automatic responses to stimuli that are mediated by the spinal cord, bypassing the brain's involvement.

Painful Stimulus

A stimulus that is physically uncomfortable or hurtful, often triggering a reflexive withdrawal or response to stop the pain.