Pr 2. [25 pts] Exercise 2.3.11 in Applied Statistics & Probability for Engineers, 7th Ed.: Samples of emissions from three suppliers are classified for conformance to air-quality specifications. The results from

100 samples are summarized as follows: Supplier 1 2 3 Conform No 8 5 10 e) P(AUB) f) P(A'n B) Yes 22 25 30 Let A denote the event that a sample is from supplier 1, and let B denote the event that a sample conforms to specifications. If a sample is selected at random, determine the following probabilities: a) P(A) b) P(B) c) P(A¹) d) P(An B)