Trials in an experiment with a polygraph include 96 results that include 23 cases of wrong results and 73 cases of correct results. Use a 0.01 significance level to test the claim that such polygraph...


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Trials in an experiment with a polygraph include 96 results that include 23 cases of wrong results and 73 cases of<br>correct results. Use a 0.01 significance level to test the claim that such polygraph results are correct less than 80% of<br>the time. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis,<br>and final conclusion that addresses the original claim. Use the P-value method. Use the normal distribution as an<br>approximation of the binomial distribution.<br>Let p be the population proportion of correct polygraph results. Identify the null and alternative hypotheses. Choose the<br>correct answer below.<br>О А. Но: р%3D0.20<br>H;: p>0.20<br>В. Но: р%3D0.80<br>H;: p<0.80<br>С. Но: р 30.80<br>H;: p>0.80<br>D. Ho: p= 0.20<br>H;: p<0.20<br>О Е. Но: р30.20<br>H;: p#0.20<br>O F. Ho: p= 0.80<br>H;: p#0.80<br>The test statistic is z=<br>(Round to two decimal places as needed.)<br>The P-value is<br>(Round to four decimal places as needed.)<br>Identify the conclusion about the null hypothesis and the final conclusion that addresses the original claim.<br>Ho. There<br>sufficient evidence to support the claim that the polygraph results are correct less<br>than 80% of the time.<br>

Extracted text: Trials in an experiment with a polygraph include 96 results that include 23 cases of wrong results and 73 cases of correct results. Use a 0.01 significance level to test the claim that such polygraph results are correct less than 80% of the time. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method. Use the normal distribution as an approximation of the binomial distribution. Let p be the population proportion of correct polygraph results. Identify the null and alternative hypotheses. Choose the correct answer below. О А. Но: р%3D0.20 H;: p>0.20 В. Но: р%3D0.80 H;: p<0.80 с.="" но:="" р="" 30.80="" h;:="" p="">0.80 D. Ho: p= 0.20 H;: p<0.20 о="" е.="" но:="" р30.20="" h;:="" p#0.20="" o="" f.="" ho:="" p="0.80" h;:="" p#0.80="" the="" test="" statistic="" is="" z="(Round" to="" two="" decimal="" places="" as="" needed.)="" the="" p-value="" is="" (round="" to="" four="" decimal="" places="" as="" needed.)="" identify="" the="" conclusion="" about="" the="" null="" hypothesis="" and="" the="" final="" conclusion="" that="" addresses="" the="" original="" claim.="" ho.="" there="" sufficient="" evidence="" to="" support="" the="" claim="" that="" the="" polygraph="" results="" are="" correct="" less="" than="" 80%="" of="" the="">

Jun 03, 2022
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