Unit 6 QPA A company is trying to reduce the cost of producing one of its tools. It comes up with a much cheaper new method of -footaby's d Acceptable Defective Old Method 1,640 23 production. A large box of 2,000 tools New Method 328 9 produced by both methods is examined by testers. 1. One tool is selected at random. What is the probability of drawing a tool that is defective or produced by the new method? Explain. 2. One tool is chosen at random from the box. It is then replaced. A tool is selected again. What is the probability that both selected tools were acceptable? Are the events dependent or independent? Explain. 3. What is the probability that a tool selected at random is defective given that the tool was produced by the new method?