In a study of 783 randomly selected medical malpractice lawsuits, it was found that 489 of them were dropped or dismissed. Use a 0.05 significance level to test theclaim that most medical malpractice lawsuits are dropped or dismissed.Which of the following is the hypothesis test to be conducted?O A. Ho:p> 0.5OB. Ho: p0.5H₁: p=0.5H₁: p=0.5C. Hop=0.5OD. Hop=0.5H₁: p > 0.5H₁: p<0.5O E. Ho: p=0.5H₁: p=0.5OFHop<0.5H₁: p=0.5What is the test statistic?Z=

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Answered: In a study of 783 randomly selected…

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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In a study of 788 randomly selected medical malpractice lawsuits, it was found that 471 of them were dropped or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed. Which of the following is the hypothesis test to be conducted? O A. Ho: p+0.5 B. Họ: p=0.5 H:p>0.5 H:p=0.5 OC. Họ: p0.5 H:p<0.5 H:p=0.5 What is the test statistic? z-0 (Round to two decimal places as needed.)
Consider a sample of 45 football games, where 26 of them were won by the home team. Use a 0.05 significance level to test the claim that the probability that the home team wins is greater than one-half. Identify the null and alternative hypotheses for this test Choose the correct answer below. O A. Ho p=0.5 H p>0.5 O B. Ho p=0.5 H, p0.5 H, p=0.5 O D. Ho p=05 H p#05 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Identify the P-value for this hypothesis test The P-value for this hypothesis test is (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. O A. Reject Ho. There is sufficient evidence to support the claim that the probability of the home team winning is greater than one-half. O B. Fail to reject Ho. There is sufficient evidence to support the claim that the probability of the home team winning is greater than one-half O C. Fail to reject Ho There…
Consider a sample of 48 football games, where 29 of them were won by the home team. Use a 0.05 significance level to test the claim that the probability that the home team wins is greater than one-half. a. Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) b. Identify the P-value for this hypothesis test. The P-value for this hypothesis test is (Round to three decimal places as needed.)
A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study, 362 babies were born, and 211 of them were girls. Use the sample data with the 0.01 significance level to test the claim that with this method, the probability of having a baby being a girl is greater than 0.5. Use this information to answer the following questions.
also the z test and p value?
The table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? No(Did Not Lie) Yes (Lied) Polygraph test indicated that the subject lied. 20 38 Polygraph test indicated that the subject did not lie. 14 8 Determine the test statistic. (Round to three decimal places as needed.) Determine the P-value of the test statistic. (Round to four decimal places as needed.) Do the results suggest that polygraphs are effective in distinguishing between truth and lies? A. There is…
In a study of 778 randomly selected medical malpractice lawsuits, it was found that 488 of them were dropped or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed. Which of the following is the hypothesis test to be conducted? A. H0: p≠0.5 H1: p=0.5 B. H0: p=0.5 H1: p<0.5 C. H0: p=0.5 H1: p≠0.5 D. H0: p>0.5 H1: p=0.5 E. H0: p<0.5 H1: p=0.5 F. H0: p=0.5 H1: p>0.5 What is the test statistic? What is the P-value? What is the conclusion about the null hypothesis? A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, α. B. Reject the null hypothesis because the P-value is greater than the significance level, α. C. Reject the null hypothesis because the P-value is less than or equal to the significance level, α. D. Fail to reject the null hypothesis…
The table below includes results from polygraph (lie detector) experiments conducted by researchers. In each case, it was known if the subjected lied or did not lie, so the table indicates when the polygraph test was correct. Use a 0.05 significance level to test the claim that whether a subject lies is independent of the polygraph test indication. Do the results suggest that polygraphs are effective in distinguishing between truth and lies? Did the Subject Actually Lie? No (Did Not Lie) Yes (Lied) Polygraph test indicated that the subject lied. 18 45 Polygraph test indicated that the subject did not lie. 23 8 Determine the null and alternative hypotheses. A. H0: Whether a subject lies is independent of the polygraph test indication. H1: Whether a subject lies is not independent of the polygraph test indication. B. H0: Polygraph testing is not accurate. H1: Polygraph testing is accurate. C. H0:…
P value =????
In a study of 817 randomly selected medical malpractice lawsuits, it was found that 492 of them were dropped or dismissed. Use a 0.05 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed. Which of the following is the hypothesis test to be conducted? A. Ho: p0.5 H₁: p=0.5 O C. Ho: p=0.5 H₁: p0.5 D. Ho: p=0.5 H₁: p0.5 F. Ho:p>0.5 H₁: p=0.5 What is the conclusion about the null hypothesis? A. Reject the null hypothesis because the P-value is greater than the significance level, a. B. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. C. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. D. Reject the null hypothesis because the P-value is less than or equal to the significance level, a. What is the final conclusion? A. There is not sufficient evidence to warrant rejection of the claim that most medical malpractice lawsuits are dropped or…
a study of 822 randomly selected medical malpractice lawsuits, it was found that 518 of them were dropped or dismissed. Use a 0.05 significance level to test the aim that most medical malpractice lawsuits are dropped or dismissed. Which of the following is the hypothesis test to be conducted? O A. Ho p 0.5 OB. H, p 0.5 H1:p>0.5 H p= 05 O E. Ho: p=0.5 H1: p 0.5 OF H, p=05 H1. p<0.5 What is the test statistic? es (Round to two decimal places as needed.) ues lie
In a study of 778 randomly selected medical malpractice lawsuits, it was found that 518 of them were dropped or dismissed. Use a 0.01 significance level to test the claim that most medical malpractice lawsuits are dropped or dismissed. Which of the following is the hypothesis test to be conducted? O A. Ho: p=0.5 H₁: p > 0.5 O C. Ho: p0.5 H₁: p=0.5 O E. Ho:p> 0.5 H₁: p=0.5 What is the test statistic? z= (Round to two decimal places as needed.) What is the P-value? P-value= (Round to three decimal places as needed.) What is the conclusion about the null hypothesis? O A. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. OB. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. O C. Reject the null hypothesis because the P-value is less than or equal to the significance level, c. O D. Reject the null hypothesis because the P-value is greater than the significance level, c. C What is the…

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