The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject lied, given that the test yields a positive result.
The probability is _______ (Round to three decimal places as needed.)
Positive predictive value = P(subject lied | test yields positive result)
= Number of times the subject lied and test yielded positive result / Number of times test yielded positive result
= 41/(10+41)
= 0.804
The table below displays results from experiments with polygraph instruments. Find the positive predictive value for...
The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject lied, given that the test yields a positive result Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Positive test results Negative test results The probability is (Round to three decimal places as needed)
The table below displays results from experiments with polygraph instruments. Find the positive predictive value for the test. That is, find the probability that the subject lied, given that the test yields a positive result. Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Positive test results 1515 4040 Negative test results 3030 1212 The probability is? (Round to three decimal places as needed.)
The accompanying table displays results from experiments with polygraph instruments. a. Find P(subject told the truth negative test result). b. Find P(negative test result subject told the truth). c. Compare the results from parts a. and b. Are they equal? Click the icon to view the data table. a. P(subject told the truth | negative test result) = (Round to three decimal places as needed.) b. Find the probability of selecting a subject with a negative test result, given that...
Use the sample data in the table. Results from Experiments with Polygraph Instruments Did the Subject Actually Lie? No Yes (Did Not (Lied) Lie) 15 42 (false (true positive) positive) Positive test result (Polygraph test indicated that the subject lied.) Negative test result (Polygraph test indicated that the subject did not 32 9 (true (false negative) negative) lie.) If 3 of the 98 test subjects are randomly selected without replacement, find the probability that they all had false positive results....
The table below dsplays resuts from expediments with polygraph instruments Find Psubjedt led |megative test resl),Compare this result with the probability of selecting a subject with a negative test resuit, given that the subject led Are P(subject led | negative test result) and Pinegative test esultI subject lied) equa? Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Negative test resuits ubjet led negative soot rooudt"Round to three decimal places as neded) Fied the probabity of seledting a...
The table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? Did the Subject Actually Lie? No (Did Not...
The table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? Click the icon to view the table. Determine...
The table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? Did the Subject Actually Lie? No (Did Not...
The table below includes results from polygraph (ie detector) experiments conducted by researchers. In each case, it was known if the subjected ied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? Click the lcon to view the table. Determine...
Homework: Section 4.5 Homework Save HW Score: 50%, 8 of 16 pts Question Help * Score: 0 of 1 pt 9 of 16 (8 complete 4.5.23 The table below displays results from exporiments with polygraph instruments Find the positive prediclive value for the test That is, Iind the probabilly that the subject lied, given that the test yields a positive result Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied Positive test results Negative test results 12 30...