Trials in an experiment with a polygraph include 99 results

Last updated: 11/14/2023

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 Ho p 0 20 H p0 20 OC Ho p 0 80 H p 0 80 O E Ho p 0 20 H p 0 20 The test statistic is z B Ho p 0 80 H p 0 80 O D Ho p 0 20 H p 0 20 OF Ho p 0 80 H p 0 80 Round to two decimal places as needed