Question

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

16

43

Negative test results

34

12

The probability is

Homework Answers

Answer #1

TOPIC:Events and probability.

(Rounded to four decimal places).

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The table below includes results from polygraph​ (lie detector) experiments conducted by researchers. In each​ case,...
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? LOADING... Click the icon to view the table....
The table below includes results from polygraph​ (lie detector) experiments conducted by researchers. In each​ case,...
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? Determine the null and alternative hypotheses. A. Ho​:...
The table below includes results from polygraph​ (lie detector) experiments conducted by researchers. In each​ case,...
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_Not_Lie   Lied Polygraph_indicated_lie   7   44 Polygraph_indicated_no_lie   29  ...
QUESTION: If one of the subjects is randomly selected, find the probability of selecting someone who...
QUESTION: If one of the subjects is randomly selected, find the probability of selecting someone who lied or had a polygraph indicative of not lying. Did the subject actually lie? No (did not lie) Yes (did lie) Polygraph test indicated that the subject lied. 15 42 Polygraph test indicated that the subject did not lie. 32 9
QUESTION 91 Use the table below to find the probability. Positive Test Result Negative Test Result...
QUESTION 91 Use the table below to find the probability. Positive Test Result Negative Test Result Subject Uses Drugs 44 (True Positive) 6 (False Negative) Subject is Not a Drug User 90 (False Positive) 860 (True Negative) If 2 of the 1000 test subjects are randomly selected, find the probability that both had false positive results. Assume that the 2 selections are made without replacement. (Round to 4 decimals)
Use the table below to find the probability. Positive Test Result Negative Test Result Subject Uses...
Use the table below to find the probability. Positive Test Result Negative Test Result Subject Uses Drugs 44 (True Positive) 6 (False Negative) Subject is Not a Drug User 90 (False Positive) 860 (True Negative) Find P ( negative test result | subject does not use drug.)
Use the table below to find the probability. Positive Test Result Negative Test Result Subject Uses...
Use the table below to find the probability. Positive Test Result Negative Test Result Subject Uses Drugs 44 (True Positive) 6 (False Negative) Subject is Not a Drug User 90 (False Positive) 860 (True Negative) Find . (Round to 4 decimals)
The table below has probabilities for a given test to see if people have a certain...
The table below has probabilities for a given test to see if people have a certain disease. Based upon this table answer the questions that follow: Disease Clear (no disease) Positive test result (+) .12 .08 .20 Negative test result (-) .18 .62 .80 .30 .70        What is the positive predictive value?       What is the negative predictive value?        What is the false positive rate?       What would you say about the quality of this test based on these results?
Use the following results from a test for marijuana​ use, which is provided by a certain...
Use the following results from a test for marijuana​ use, which is provided by a certain drug testing company. Among 149 subjects with positive test​ results, there are 21 false positive​ results; among 155 negative​ results, there are 5 false negative results. If one of the test subjects is randomly​ selected, find the probability that the subject tested negative or did not use marijuana.​ (Hint: Construct a​ table.) The probability that a randomly selected subject tested negative or did not...
The contingency table below shows the results of a survey of video viewing habits by age....
The contingency table below shows the results of a survey of video viewing habits by age. Video Viewing Platform Preferred Viewer Age Mobile/Laptop Device TV Screen Row Total 18–34 40 23 63 35–54 12 12 24 55+ 5 8 13 Column Total 57 43 100 Find the following probabilities or percentages: (a) Probability that a viewer is aged 18–34. (Round your answer to 2 decimal places.) Probability             (b) Probability that a viewer prefers watching videos on a TV...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT