Use the Following There Are Three Roofing Companies That Service a Small Community

Use the following
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 is the probability that a randomly selected customer used Al's Roof Repair and is dissatisfied?

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