Out of four machines, “Chris” knows that exactly two are faulty. He wants to test them one by one in a random order (without replacement) until he can identify the 2 faulty machines. Determine the sample space using F (faulty) to denote a faulty machine and W (works) to denote a machine that works fine. What is the probability that exactly two tests are needed to identify the 2 faulty machines?
https://www.yourtechnicaltutors.com/wp-content/uploads/2020/07/log-300x75.png 0 0 yttadmin https://www.yourtechnicaltutors.com/wp-content/uploads/2020/07/log-300x75.png yttadmin2020-07-08 23:12:372020-07-08 23:12:37Out of four machines, "Chris" knows that exactly two are faulty. He wants to test them one