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Check my work A polygraph (lle detector) is an instrument used to determine if an individual...
A polygraph (lie detector) is an instrument used to determine if the individual is telling the...
A polygraph (lie detector) is an instrument used to determine if the individual is telling the truth. These tests are considered to be 93% reliable. In other words, if an individual lies, there is a 0.930 probability that the test will detect a lie. Let there also be a 0.003 probability that the test erroneously detects a lie even when the individual is actually telling the truth. Consider the null hypothesis, "the individual is telling the truth," to answer the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the truth. These tests are considered to be 89% reliable. In other words, if an individual lies, there is a 0.89 probability that the test will detect a lie. Let there also be a 0.100 probability that the test erroneously detects a lie even when the individual is actually telling the truth. Consider the null hypothesis, "the individual is telling the truth," to answer the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the truth. These tests are considered to be 88% reliable. In other words, if an individual lies, there is a 0.88 probability that the test will detect a lie. Let there also be a 0.035 probability that the test erroneously detects a lie even when the individual is actually telling the truth. Consider the null hypothesis, "the individual is telling the truth," to answer the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the truth. These tests are considered to be 96% reliable. In other words, if an individual lies, there is a 0.96 probability that the test will detect a lie. Let there also be a 0.008 probability that the test erroneously detects a lie even when the individual is actually telling the truth. Consider the null hypothesis, "the individual is telling the truth," to answer the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the truth. These tests are considered to be 92% reliable. In other words, if an individual lies, there is a 0.92 probability that the test will detect a lie. Let there also be a 0.080 probability that the test erroneously detects a lie even when the individual is actually telling the truth. Consider the null hypothesis, "the individual is telling the truth," to answer the...
Polygraph lie-detector machines are commonly used in criminal investigations. The device measures nervous excitement, operating on...
Polygraph lie-detector machines are commonly used in criminal investigations. The device measures nervous excitement, operating on the idea that if a person is telling the truth they will remain calm. The American Polygraph Association claims that polygraphs accurately identify liars 90% of the time. In other words, if a person lied the test results will be positive 90% of the time. Although the polygraph test is good at identifying liars, there is a 50% chance that the polygraph test will...
The table below includes results from polygraph (ie detector) experiments conducted by researchers. In each case,...
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...
Polygraph tests have an accuracy rate of about 90%. This means that it will detect 90%...
Polygraph tests have an accuracy rate of about 90%. This means that it will detect 90% of people who lie and 90% of people who are telling the truth. A company of 5000 employees has everyone submit to a polygraph test. It turns out there are 50 employees who will lie during their polygraph. (Hint: Tests Positive means they are lying!) Complete a table as in your course materials and use it to answer the given question. If someone does...
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 the Subject Actually Lie? No (Did Not...
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? Click the icon to view the table. Determine...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the truth. These tests are considered to be 89% reliable. In other words, if an individual lies, there is a 0.89 probability that the test will detect a lie. Let there also be a 0.100 probability that the test erroneously detects a lie even when the individual is actually telling the truth. Consider the null hypothesis, "the individual is telling the truth," to answer the...
A polygraph (lie detector) is an instrument used to determine if an individual is telling the truth. These tests are considered to be 92% reliable. In other words, if an individual lies, there is a 0.92 probability that the test will detect a lie. Let there also be a 0.080 probability that the test erroneously detects a lie even when the individual is actually telling the truth. Consider the null hypothesis, "the individual is telling the truth," to answer the...
Polygraph lie-detector machines are commonly used in criminal investigations. The device measures nervous excitement, operating on the idea that if a person is telling the truth they will remain calm. The American Polygraph Association claims that polygraphs accurately identify liars 90% of the time. In other words, if a person lied the test results will be positive 90% of the time. Although the polygraph test is good at identifying liars, there is a 50% chance that the polygraph test will...
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...
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...
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