A sample of three calculators is selected from a manufacturing line, and each calculator is classified as either defective or acceptable. Let A, B, and C denote the events that the first, second, and third calculators respectively, are defective.
(a) Describe the sample space for this experiment with a tree diagram. Use the tree diagram to describe each of the following events:
(b) A
(c) B
(d) A ∩ B
(e) B U C