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Problem Statement An analytical method to detect pollutants in water is being tested. The method can potentially simultaneously detect organic pollutants, volatile solvents and
Problem Statement An analytical method to detect pollutants in water is being tested. The method can potentially simultaneously detect organic pollutants, volatile solvents and chlorinated compounds. The inventors of the relevant test kit claim that it can detect high levels of organic pollutants with accuracy of 99.5%, volatile solvents with 99.99% accuracy and chlorinated compounds with 90.5% accuracy. If a pollutant is not present the test does not result in a signal for that pollutant. Samples are prepared for calibration of the test and 62% of them are contaminated with organic pollutants, 24% with volatile solvents and 14% with traces of chlorinated compounds. In part 1, a test sample is randomly selected. What is the probability that the test will signal? In part 2, refer to part 1 and answer the following: If the test signals what is the probability that chlorinated compounds are present? Try to use the assigned variables in your calculation. If you choose to use assign numerical values to p_signal and p_cc_sig, rounding (at least 3 digits) should only happen at the last step. Please keep the variable names as shown in the initial code window. The initial code does not always contain all needed calculation steps. You need to complete any missing steps to complete the code. stcode.R 123L ### GUIDANCE ### # You need to replace every "BLANK" with your codes. Otherwise, the auto-grader will break down. 4 5 acc_op
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