A process for producing an industrial chemical yields a product containing two types of impurities. For a specified sample from this process, let Y1 denote the proportion of impurities in the sample and let Y2 denote the proportion of type I impurities among all impurities found.
Question: What is the proportion of type I impurities in the sample?
Is it, Y2/Y1?
1 answer
looks good to me