2 28 samples of emissions from three suppliers are classi fied for con
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2-28. Samples of emissions from three suppliers are classi-fied for conformance to air-quality specifications. The resultsfrom 100 samples are summarized as follows:
Let A denote the event that a sample is from supplier 1, and letB denote the event that a sample conforms to specifications.Determine the number of samples in A' N B, B', and AUB.