In a recent court case, it was found that during a period of 11 years 864 people were selected for grand jury duty and 39% of them were from the same ethnicity. Amongthe people eligible for grand jury duty, 78.4% were of this ethnicity. Use a 0.05 significance level to test the claim that the selection process is biased against allowing thisethnicity to sit on the grand jury. Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion thataddresses the original claim. Use the P-value method and the normal distribution as an approximation to the binomial distribution.Which of the following is the hypothesis test to be conducted?Ho:p [ Select]0.784(choose a for = ;b for > ; c for < and d for +)Hj:p [ Select]0.784(choose a for = ;b for > ; c for < and d for )What is the test statistic? [ Select](Round to two decimal places)What is the P value? [ Select]v (Round to three decimal places.)What is the conclusion on the null hypothesis? [ Select ]

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Answered: In a recent court case, it was found…

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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A national survey conducted in 2011 among a simplerandom sample of 1507 adults shows that 56% of Americans think the Civil War is still relevant toAmerican politics and political life. Conduct a hypothesis test to determine if these data provide strong evidence that the majority (> 50%)of the Americans think the Civil War is still relevant. Please calculate the test statistic, the P-value,and make a conclusion at a 1% significance level.
Determine the test statistic. Determine the P-value.
In a recent court case, it was found that during a period of 11 years 896 people were selected for grand jury duty and 35% of them were from the same ethnicity. Among the people eligible for grand jury duty, 79.8% were of this ethnicity. Use a 0.05 significance level to test the claim that the selection process is biased against allowing this ethnicity to sit on the grand jury. 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 and the normal distribution as an approximation to the binomial distribution. Which of the following is the hypothesis test to be conducted? Ho:p 0.798 (choose a for = ;b for > ; c for ; c for < and d for +) What is the test statistic? (Round to two decimal places) What is the P value? (Round to three decimal places.) What is the conclusion on the null hypothesis? (Reject or Do not reject)
In a recent court case it was found that during a period of 11 years 857 people were selected for grand jury duty and 35% of them were from the same ethnicity. Among the people eligible for grand juryduty, 79.8% were of this ethnicity. Use a 0.01 significance level to test the claim that the selection process is biased against allowing this ethnicity to sit on the grand jury. 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 and the normal distribution as an approximation to the binomial distribution.
In a recent poll of 755 randomly selected adults, 588 said that it is morally wrong to not report all income on tax returns. Use a 0.05 significance level to test the claim that 70% of adults say that it is morally wrong to not report all income on tax returns. Identify the null hypothesis, alternative hypothesis, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method. Identify the correct null and alternative hypotheses. Choose the correct answer below. А. Но: р3D0.3 H,ip 0.3 С. Но: р30.7 H:p0.7 E. H;: p = 0.3 H,:p#0.3 F. Ho: p= 0.7 H: p#0.7 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 warrant rejection of the claim that 70% of adults say that it is morally wrong not to report all income on tax Fail to reject Reject
Can use of an online plagiarism-detection system reduce plagiarism in student research papers? The paper "Plagiarism and Technology: A Tool for Coping with Plagiarism"+ describes a study in which randomly selected research papers submitted by students during five semesters were analyzed for plagiarism. For each paper, the percentage of plagiarized words in the paper was determined by an online analysis. In each of the five semesters, students were told during the first two class meetings that they would have to submit an electronic version of their research papers and that the papers would be reviewed for plagiarism. Suppose that the number of papers sampled in each of the five semesters and the means and standard deviations for percentage of plagiarized words are as given in the accompanying table. Semester n Mean Standard deviation 1 2 3 4 5 36 43 34 6.32 3.34 1.77 34 1.82 33 1.50 3.75 3.08 3.25 3.12 2.39 For purposes of this exercise, assume that the conditions necessary for the…
A tourist company did a survey to determine if more New Yorkers or more Californians recognize a certain type of giraffe. Of the 583 New Yorkers surveyed, 198 knew the type of giraffe while 188 out 641 Californians knew the type of giraffe. At the 0.1 significance level, test the claim that the recognition rates of a certain type of giraffe are the same in both states. What are the correct hypotheses? (Select the correct symbols and values.)
In a program designed to help patients stop smoking, 218 patients were given sustained care, and 82.1% of them were no longer smoking after one month. Use a 0.01 significance level to test the claim that 80% of patients stop smoking when given sustained care. Identify the null and alternative hypotheses for this test.
Since an instant replay system for tennis was introduced at a major tournament, men challenged 1388 referee calls, with the result that 429 of the calls were overturned. Women challenged 769 referee calls, and 212 of the calls were overturned. Use a 0.01 significance level to test the claim that men and women have equal success in challenging calls. Complete parts (a) through (c) below. ... a. Test the claim using a hypothesis test. Consider the first sample to be the sample of male tennis players who challenged referee calls and the second sample to be the sample of female tennis players who challenged referee calls. What are the null and alternative hypotheses for the hypothesis test? OA. Ho: P₁ P2 OB. Ho: P₁ P2 H₁: P₁ = P₂ OC. Ho: P₁ ≤P2 H₁: P₁ P₂ H₁: P₁ P₂ O D. Ho: P₁ = P₂ E. Ho: P₁ = P2 H₁: P₁ P2 OF. Ho: P₁ = P₂ H₁: P₁ P2 H₁: P₁ P₂ Identify the test statistic. Z= (Round to two decimal places as needed.) Identify the P-value. P-value = (Round to three decimal places as needed.)…
In a recent court case it was found that during a period of 11 years 860 people were selected for grand jury duty and 37% of them were from the same ethnicity. Among the people eligible for grand jury duty, 79.3% were of this ethnicity. Use a 0.05 significance level to test the claim that the selection process is biased against allowing this ethnicity to sit on the grand jury. 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 and the normal distribution as an approximation to the binomial distribution. Question content area bottom Part 1 Which of the following is the hypothesis test to be conducted? A.Upper H 0 : p not equals 0.793 Upper H 1 : p equals 0.793 H0: p≠0.793 H1: p=0.793 B.Upper H 0 : p equals 0.793 Upper H 1 : p not equals 0.793 H0: p=0.793 H1: p≠0.793 C.Upper H 0 : p equals 0.793 Upper H…
In a recent court case it was found that during a period of 11 years 868 people were selected for grand jury duty and 42% of them were from the same ethnicity. Among the people eligible for grand jury duty, 80.8% were of this ethnicity. Use a 0.05 significance level to test the claim that the selection process is biased against allowing this ethnicity to sit on the grand jury. 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 and the normal distribution as an approximation to the binomial distribution. Which of the following is the hypothesis test to be conducted? What is the test statistic? What is the P-value? What is the conclusion on the null hypothesis? Does the jury selection system appear to be fair?
PLEASE ONLY SELECT THE ANSWERS AS SHOWN FOR THE MULTIPLE CHOICE, SUCH AS OPTION 1, 2, ETC. 1) A genetic experiment involving peas yielded one sample of offspring consisting of 427 green peas and 127 yellow peas. Use a 0.01 significance level to test the claim that under the same circumstances, 25% of offspring peas will be yellow. 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 and the normal distribution as an approximation to the binomial distribution. What are the null and alternative hypotheses? A. H0: p=0.25 H1: p<0.25 B. H0: p=0.25 H1: p>0.25 C. H0: p≠0.25 H1: p=0.25 D. H0: p=0.25 H1: p≠0.25 E. H0: p≠0.25 H1: p<0.25 F. H0: p≠0.25 H1: p>0.25 2) What is the test statistic? Z= (Round to two decimal places as needed.) 3) What is the P-value? P-value= (Round to four decimal places as needed.) 4) What is the…

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