The following contingency table summarizes the drug test results for 425 test-takers: Doesn't use drugs Uses drugs Total Positive 2 249 Negative 161 13 Total For a randomly selected test administration, find the following probabilities. (Round the answers to 4 decimal places.) 1) The probability that the test-taker uses drugs: 2) The probability of a false positive: 3) The probability of a correct inference: 4) The positive predicting value: