Question 13: A lie detector has a 95% probability of detecting if a person lie, but also a 15% false positive probability of claiming the person lie while he or she is actually telling the truth. It is estimated that most person are honest and lie only 10% of the time. Calculate the following probabilities. A. that a lie detector test will be positive Answer: B. that, on given a positive result from the lie detector, the person actually did lie.