Question

A contractor who primarily works on kitchens and bathrooms is trying to determine whether or not...

A contractor who primarily works on kitchens and bathrooms is trying to determine whether or not kitchen projects or bathroom projects are more profitable. The contractor randomly selects 10 bath projects and 10 kitchen projects and collects the net profit from each project. Are these samples dependent or independent?

Select the correct answer below:

These samples are independent because the two types of projects are related to each other.

These samples are independent because the two types of projects are not related to each other and from different populations.

These samples are dependent because the samples were not randomly selected.

Not enough information is provided to determine independence.

Math   Statistics-And-Probability   
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Answer #1

A contractor who primarily works on kitchens and bathrooms is trying to determine whether or not kitchen projects or bathroom projects are more profitable. The contractor randomly selects 10 bath projects and 10 kitchen projects and collects the net profit from each project. Are these samples dependent or independent?

The correct answer is:

These samples are independent because the two types of projects are not related to each other and from different populations.

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