KTrials in an experiment with a polygraph include 96 results that include 23 cases of wrong results and 73 cases of correct results. Use a 0.05 significance level to test the claim that such polygraphresults 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 theoriginal claim. Use the P-value method. Use the normal distribution as an approximation of the binomial distribution.cxA@Let p be the population proportion of correct polygraph results. Identify the null and alternative hypotheses. Choose the correct answer below.OA. Ho: p=0.20H₁: p<0.202View an example Get more help.OE. Ho: p=0.20H₁: p*0.20*WSc. Ho: p=0.80H₁: p<0.80The test statistic is z= -0.97. (Round to two decimal places as needed.)The P-value is. (Round to four decimal places as needed.)Monroe's Temp....docxRemovedXmmandH#380EDC$4AQRFSAMPLE Persuas....pdf%5VTG6ABMacBook AirFOYHD 5373255 (1) (1).docx&7UNOB. Ho: p=0.20H₁: p>0.20JD. H₂ p=0.80H₁: p*0.80OF H₂: p=0.80H₁: p>0.80*8ADII1MD 5373255 (1).docx9KO1двO4F10P7Lcommand>Clear all.:;d{+[option?Check answer1111Show AllF}1Xdelete

Given: Sample size (n) = 96 From which 73 cases of correct results. Significance level(α) = 0.05

Answered: Trials in an experiment with a…

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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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.
Trials in an experiment with a polygraph include 97 results that include 22 cases of wrong results and 75 cases of correct results. Use a 0.05 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. se see Let p be the population proportion of correct polygraph results. Identify the null and alternative hypotheses. Choose the correct answer below. see O A. Ho p= 0.20 H, p 0.80 see ОС. Н. Р3D0.20 H, p 0.20 O D. H, p= 0.80 H, p 0.20 OF. H, p= 0.80 H, p 0.80 see so The test statistic is z = | (Round to two decimal places as needed.) The P-value is (Round to four decimal places as needed.) see sc
The amount of water consumed each week by Bronx residences is normally distributed. The population mean of water consumption is 120.3 gallons with a standard deviation of 10.0 gallons. Test the claim at the 0.10 significance level that the average amount of water consumed is not 125 gallons with a sample size of 100 residences. Do you retain or reject the null hypothesis?
Trials in an experiment with a polygraph include 98 results that include 23 cases of wrong results and 75 cases of correct results. Use a 0.05 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. OA. Ho p=0.80 H₁: p>0.80 OC. Ho p=0.20 H₁: p 0.20 O E. Ho p=0.20 H₁: p 0.20 OF. Ho: p=0.80 H₁: p 0.80 The test statistic is z = (Round to two decimal places as needed.)
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. O A. Ho: p=0.20 B. Ho: p=0.80 H;: p>0.20 H,: p0.80 OF. Ho: p=0.80 O E. Ho: p=0.20 H1: p<0.20 H,: p#0.80 The test statistic is =|: (Round to two decimal places as needed.)
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 0.05 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.
Trials in an experiment with a polygraph include 97 results that include 24 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. The test statistic is z = The P-value is dentify the conclusion about the null hypothesis and the final conclusion that addresses the original claim.
Trials in an experiment with a polygraph include 97 results that include 23 cases of wrong results and 74 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=0.80 H₁: p0.20 OD. Ho: p=0.20 H₁: p0.80
A researcher decides to measure anxiety in group of bullies and a group of bystanders using a 23-item, 3 point anxiety scale. Assume scores on the anxiety scales are normally distributed and the variance among the group of bullies and bystanders are the same. A group of 30 bullies scores an average of 21.5 with a sample standard deviation of 10 on the anxiety scale. A group of 27 bystanders scored an average of 25.8 with a sample standard deviation of 8 on the anxiety scale. You do not have any presupposed assumptions whether bullies or bystanders will be more anxious so you formulate the null and alternative hypothesis based on that.
An article in the San Jose Mercury News stated that students in the California state university system take 6 years, on average, to finish their undergraduate degrees. A freshman student believes that the mean time is less and conducts a survey of 53 students. The student obtains a sample mean of 4.1 with a sample standard deviation of 1.9. Is there sufficient evidence to support the student's claim at an �=0.1 significance level? Test the claim: Determine the null and alternative hypotheses. Enter correct symbol and value.�0: �=Incorrect��: � Correct< Incorrect Determine the test statistic. Round to four decimal places.�=Incorrect Find the �-value. Round to 4 decimals.

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