Dalgliesh the detective fancies himself a shrewd judge of human nature. In careful tests it has been discovered that he is right 80 percent of the time when he says that a randomly chosen suspect is lying. Dalgliesh says that Jones is lying. The polygraph expert, who is right 100 percent of the time, says that 40 percent of the subjects interviewed by Dalgliesh are telling the truth. What is the probability that Jones is lying?
Answer to relevant QuestionsA witness testifies that the taxicab that struck and injured Smith in a dark alley was green. On investigation, the attorney for Green Taxi Company discovers that the witness identifies the correct color of a taxi in a dark ...Mary will drive across town to take advantage of a 40 percent off sale on a $40 blouse but will not do so to take advantage of a 10 percent off sale on a $1000 stereo. Assuming that her alternative is to pay list price for ...Each problem on an exam is worth 20 points. Suppose that from the last seconds you devoted to Problem 10 on the exam you earned 2 extra points, while from the last seconds devoted to Problem 8 you earned 4 extra points. The ...Can the Cobb- Douglas production function be used to portray a production process in which returns to scale are increasing at low output levels and are constant or decreasing at high output levels?A firm uses two inputs, K and L, in its production process and finds that no matter how much output it produces or how input prices vary, it always minimizes its costs by buying only one or the other of the two inputs. Draw ...
Post your question