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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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devildoc devildoc
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3 months ago
Use the following to answer the questions below:

There are three roofing companies that service a small community. Al's Roof Repair gets 45% of the roofing jobs in the community while Bob's Better Building and Carl's Roof Service get 25% and 30% of the business, respectively. Of Al's customers, 70% are satisfied. Of Bob's customers, 95% are satisfied. Among Carl's customers, 90% are satisfied.

Round all answers to four decimal places.


What proportion of roofing customers are satisfied?
Textbook 
Statistics: Unlocking the Power of Data

Statistics: Unlocking the Power of Data


Edition: 3rd
Authors:
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marcospolosmarcospolos
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3 months ago
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devildoc Author
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3 months ago
this is exactly what I needed
hpascoe
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Yesterday
Good timing, thanks!
kriggs62
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2 hours ago
Smart ... Thanks!
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