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? E Click the icon to view the table. Determine the null and alternative hypotheses. O A. Ho: Polygraph testing is accurate. More info H: Polygraph testing is not accurate. O B. Ho: Whether a subject lies is independent of the polygraph test indication. H: Whether a subject lies is not independent of the polygraph test indication. Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) OC. Ho: Whether a subject lies is not independent of the polygraph test indication. H: Whether a subject lies is independent of the polygraph test indication. Polygraph test indicated that the subject lied. Polygraph test indicated that the subject did not lie. 10 28 9 14 O D. Ho: Polygraph testing is not accurate. H;: Polygraph testing accurate. Determine the test statistic. Print Done X = (Round to three decimal places as needed.) Determine the P-value of the test statistic. P-value = (Round to four decimal places as needed.) Do the results suggest that polygraphs are effective in distinguishing between truth and lies? O A. There is not sufficient evidence to warrant rejection of the claim that polygraph testing is 95% accurate. O B. There is sufficient evidence to warrant rejection of the claim that polygraph testing is 95% accurate. OC. There is sufficient evidence to warrant rejection of the claim that whether a subject lies is independent of the polygraph test indication. O D. There is not sufficient evidence to warrant rejection of the claim that whether a subject lies is independent of the polygraph test indication.
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? E Click the icon to view the table. Determine the null and alternative hypotheses. O A. Ho: Polygraph testing is accurate. More info H: Polygraph testing is not accurate. O B. Ho: Whether a subject lies is independent of the polygraph test indication. H: Whether a subject lies is not independent of the polygraph test indication. Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) OC. Ho: Whether a subject lies is not independent of the polygraph test indication. H: Whether a subject lies is independent of the polygraph test indication. Polygraph test indicated that the subject lied. Polygraph test indicated that the subject did not lie. 10 28 9 14 O D. Ho: Polygraph testing is not accurate. H;: Polygraph testing accurate. Determine the test statistic. Print Done X = (Round to three decimal places as needed.) Determine the P-value of the test statistic. P-value = (Round to four decimal places as needed.) Do the results suggest that polygraphs are effective in distinguishing between truth and lies? O A. There is not sufficient evidence to warrant rejection of the claim that polygraph testing is 95% accurate. O B. There is sufficient evidence to warrant rejection of the claim that polygraph testing is 95% accurate. OC. There is sufficient evidence to warrant rejection of the claim that whether a subject lies is independent of the polygraph test indication. O D. There is not sufficient evidence to warrant rejection of the claim that whether a subject lies is independent of the polygraph test indication.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text: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 null and alternative hypotheses.
A. Ho: Polygraph testing is accurate.
H1: Polygraph testing is not accurate.
More info
B. Ho: Whether a subject lies is independent of the polygraph test indication.
H1: Whether a subject lies is not independent of the polygraph test indication.
Did the Subject Actually Lie?
No (Did Not Lie)
Yes (Lied)
C. Ho: Whether a subject lies is not independent of the polygraph test indication.
H: Whether a subject lies is independent of the polygraph test indication.
Polygraph test indicated that
the subject lied.
Polygraph test indicated that
the subject did not lie.
10
28
9.
14
D. Ho: Polygraph testing is not accurate.
H1: Polygraph testing is accurate.
Determine the test statistic.
Print
Done
(Round to three decimal places as needed.)
Determine the P-value of the test statistic.
P-value =
(Round to four decimal places as needed.)
Do the results suggest that polygraphs are effective in distinguishing between truth and lies?
A. There is not sufficient evidence to warrant rejection of the claim that polygraph testing is 95% accurate.
B. There is sufficient evidence to warrant rejection of the claim that polygraph testing is 95% accurate.
C. There is sufficient evidence to warrant rejection of the claim that whether a subject lies is independent of the polygraph test indication.
D. There is not sufficient evidence to warrant rejection of the claim that whether a subject lies is independent of the polygraph test indication.
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