Question: A company develops software using 4 stages: des gn, Implementation, testing and release. Design is directly followed by implementation and implementation is directly followed

A company develops software using 4 stages: des gn, Implementation, testing and release. Design is directly followed by implementation and implementation is directly followed by testing. Testing might reveal problems related to design or errors related to implementation. In such cases, the corresponding stage is revisited. Otherwise, the software is released. The company estimates that testing reveals design problems 10% of the time and implementation errors 40% of the time. Question 1: What is the average time implementation is visited? Your answer: D.1429 Question 2: Knowing that design, implementation, and testing cost on average are 10005, 2000$, and 500$ respectively, find the average cost in 5 of a released software. Your answer: 5 4400

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