Samples of emissions from three suppliers are classi fied for conformance to air-quality specifications. The results from 100 samples are summarized as follows: conforms yes 1 22 8 supplier 2 25 5 3 30 10 Let A denote the event that a sample is from supplier 1, and let B denote the event that a sample conforms to specifications. Determine the number of samples in AB, B, and AUB.