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Use the following to answer the questions below:There are three roofing companies that service a ...

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Use the following to answer the questions below:There are three roofing companies that service a ...

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.

If a randomly selected customer is dissatisfied, what is the probability that they used Al's Roof Repair?

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Statistics: Unlocking the Power of Data

Edition: 3^rd

Authors: Lock, Morgon

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tsk Author

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this is exactly what I needed

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