Trials in an experiment with a polygraph include 99 results that include 22 cases of wrong results and 77 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 th 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 a 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. O A. Ho p= 0.20 H, p+0.20 OC. Ho p= 0.20 H, p>0.20 O E. Ho p=0.80 H,: p<0.80 О В. На р0.80 H,: p> 0.80 O D. H p= 0.80 H, p#0.80 OF. Hoi p= 0.20 н, р<020 The test statistic is z =D (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. V H. There V sufficient evidence to support the claim that the polygraph results are correct less than 80% of the time.

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Trials in an experiment with a polygraph include 99 results that include 22 cases of wrong results and 77 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.
O A. H,: p= 0.20
О В. Н. р-0.80
H,: p> 0.80
H,: p#0.20
OC. Ho: p= 0.20
H,: p> 0.20
O D. H,: p = 0.80
H,: p#0.80
OF. H: p= 0.20
ОЕ. Но р3D0.80
H,: p< 0.80
H;: p<0.20
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.
V H.. There
V sufficient evidence to support the claim that the polygraph results are correct less than 80% of the time.
Transcribed Image Text:Trials in an experiment with a polygraph include 99 results that include 22 cases of wrong results and 77 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. O A. H,: p= 0.20 О В. Н. р-0.80 H,: p> 0.80 H,: p#0.20 OC. Ho: p= 0.20 H,: p> 0.20 O D. H,: p = 0.80 H,: p#0.80 OF. H: p= 0.20 ОЕ. Но р3D0.80 H,: p< 0.80 H;: p<0.20 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. V H.. There V sufficient evidence to support the claim that the polygraph results are correct less than 80% of the time.
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