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mlhickey mlhickey
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2 years ago
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?

▸ 0.5987

▸ 0.6736

▸ 0.8749

▸ 0.9115
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
Author:
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EvolutionEvolution
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2 years ago
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mlhickey Author
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2 years ago
this is exactly what I needed
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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2 hours ago
Thanks
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