22. A mechanic can service 1,2,3 or more cars each days with their respective proba- bilities of 0.43, 0.25, 0.19, and 0.12. What is the probability that he is able to service at least 3 cars on any...

Extracted text: 22. A mechanic can service 1,2,3 or more cars each days with their respective proba- bilities of 0.43, 0.25, 0.19, and 0.12. What is the probability that he is able to service at least 3 cars on any given day? (a) 0.32 (c) 0.13 (b) 0.31 (d) 0.87