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 theaim 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. H, p<0.5H1 p=0.5Hiip=0.5C. Ho p=0.5OD. Ho p> 0.5H1:p>0.5H p= 05O E. Ho: p=0.5H1: p 0.5OF H, p=05H1. p<0.5What is the test statistic?es(Round to two decimal places as needed.)ueslie

Answered: Image /qna-images/answer/ab4d9efc-2d9c-415e-bb49-ec90e1c1b87d.jpg

Answered: a study of 822 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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A 9-year-old girl did a science fair experiment in which she tested professional touch therapists to see if they could sense her energy field. She flipped a coin to select either her right hand or her left hand, and then she asked the therapists to identify the selected hand by placing their hand just under her hand without seeing it and without touching it. Among 293 trials, the touch therapists were correct 124 times. Use a 0.05 significance level to test the claim that touch therapists use a method equivalent to random guesses. Do the results suggest that touch therapists are effective? Oc. Ho: p= 0.5 O D. Ho: p=0.5 H1:p#0.5 H,: p>0.5 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 not…
You are a research assistant at a zoo. The question of your study is "Has the proportion of baby zebras born in zoos has changed from 10%?". Your supervisor asks that you run a hypothesis test using a significance level of 0.05. From the study, you obtain a z-score of 0.788. What type of z test is appropriate? What is the ? Right, one-tailed test. = +1.645 Right, one-tailed test. = -1.645 Left, one-tailed test. = +1.645 Left, one-tailed test. = -1.645 Two-tailed test. = +1.645 and -1.645
Suppose 450 subjects are treated with a drug that is used to treat pain and 140 of them developed nausea. Use a 0.05 significance level to test the claim that more than 205% of users develop nausea. The test statistic for this hypothesis test is (Round to two decimal places as needed.) Show word count ( Previous Next
S A 9-year-old girl did a science fair experiment in which she tested professional touch therapists to see if they could sense her energy field. She flipped a coin to select either her right hand or her K left hand, and then she asked the therapists to identify the selected hand by placing their hand just under her hand without seeing it and without touching it. Among 275 trials, the touch therapists were correct 115 times. Use a 0.01 significance level to test the claim that touch therapists use a method equivalent to random guesses. Do the results suggest that touch therapists are effective? docx @ Identify the null and alternative hypotheses for this test. Choose the correct answer below. 2 OA. Ho: p*0.5 H₁: p=0.5 View an example Get more help. D W Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.) S C. Ho: p=0.5 H₁: p*0.5 Monroe's Temp....docx Removed X command H # 3 8.0 F3 E D C $ 4 Q R F…
A 9-year-old girl did a science fair experiment in which she tested professional touch therapists to see if they could sense her energy field. She flipped a coin to select either her right hand or her left hand, and then she asked the therapists to identify the selected hand by placing their hand just under her hand without seeing it and without touching it. Among 284 trials, the touch therapists were correct 125 times. Use a 0.05 significance level to test the claim that touch therapists use a method equivalent to random guesses. Do the results suggest that touch therapists are effective? Identify the null and alternative hypotheses for this test.
A new beta-blocker medication is being tested to treat high blood pressure. Subjects with high blood pressure volunteered to take part in the experiment. 180 subjects were randomly assigned to receive a placebo and 230 received the medicine. High blood pressure disappeared in 100 of the controls and in 146 of the treatment group. Test the claim that the new beta-blocker medicine is effective at a significance level of a = 0.01. What are the correct hypotheses? O pa H1: p: p: Based on the hypotheses, find the following: Test Statistic = p-value =
Solve and show work.
USA Today reported that about 47% of the general consumer population in the United States is loyal to the automobile manufacturer of their choice. Suppose Chevrolet did a study of a random sample of 1007 Chevrolet owners and found that 482 said they would buy another Chevrolet. Does this indicate that the population proportion of consumers loyal Chevrolet is more than 47%? Use a = 0.01. (a) What is the level of significance? State the null and alternate hypotheses. O Ho: P = 0.47; H,: p 0.47 O Ho: p > 0.47; H,: p = 0.47 O Ho: p = 0.47; H1: p + 0.47 (b) What sampling distribution will you use? O The Student's t, since np 5 and ng > 5. O The standard normal, since np 5 and ng > 5. What is the value of the sample test statistic? (Round your answer to two decimal places.) (c) Find the P-value of the test statistic. (Round your answer to four decimal places.) Sketch the sampling distribution and show the area corresponding to the P-value.
Consider a sample of 48 football games, where 32 of them were won by the home team. Use a 0.10 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 О В. Но: р30.5 H1: p#0.5 О с. Но: р30.5 H1:p>0.5 O D. Ho: p=0.5 H1:p<0.5 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.)
In a study of 805 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 claim that most medical malpractice lawsuits are dropped or dismiss Which of the following is the hypothesis test to be conducted? O A. Ho: p+0.5 H1:p= 0.5 О В. Но: р30.5 H,: p#0.5 ОС. Но: р> 0.5 O D. Ho: p= 0.5 H1: p= 0.5 H1: p0.5 What is the test statistic? (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. O B. Reject the null hypothesis because the P-value is greater than the significance level, a. OC. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. O D. Reject the null hypothesis because the P-value is less than or equal to the significance level,…
Suppose 249 subjects are treated with a drug that is used to treat pain and 51 of them developed nausea. Use a 0.05 significance level to test the claim that more than 20% of users develop nausea. Identify the null and alternative hypotheses for this test. Choose the correct answer below. A. Ho: p= 0.20 H1: p>0.20 В. Но: р> 0.20 H1:p= 0.20 Ос. Но: р3D0.20 H1:p<0.20 D. Ho: p= 0.20 H1:p#0.20 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is (Round to two decimal places as needed.)
Q

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