That same HVAC manufacturer also offers installation services. A junior installer is deployed first, and is able

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That same HVAC manufacturer also offers installation services. A junior installer is deployed first, and is able to complete the install 80% of the time without calling for assistance from a backup senior installer. Senior installers are able to complete the install 98% of the time. What is the end-to-end reliability of the total system, from manufacture to install?

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