Defective items prc\\nA machine is used in a production process. From past data, it is known that 97% of the time the machine is set up correctly. Furthermore, it is known that if the machine is set up correctly, it produces 95% acceptable (non-defective) items. Howerer, when it is set up incorrectly. it produces only 40% acceptable items.
a. An item from the production line is selected. What is the probability that the selected item is non-defective?
◯ 0.841
◯ 0.543
◯ 0.678
◯ 0.933
