Business, 06.12.2019 02:31 oscard1627

Amachine tool wears over time and may fail. the failure time measured in months has density ft (t) = 2t/900 for 0 ≤ t ≤ 30 and 0 otherwise. if the tool fails it must be replaced immediately at a cost of $1200. if it is replaced prior to failure the cost is only $300. consider a replacement policy in which the tool is replaced after c months or when it fails. what is the value of c that minimizes cost per unit time.

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Amachine tool wears over time and may fail. the failure time measured in months has density ft (t) =...

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