K sible In a study of 823 randomly selected medical malpractice lawsuits, it was found that 478 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 is to be conducted? OA. H₁: p=0.5 H₁: p<0.5 O C. Ho: p=0.5 OB. Ho: p > 0.5 H₁: p=0.5 O D. Ho: p=0.5 Time Remaining: 00:16:03
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- Consider a sample of 49 football games, where 28 of them were won by the home team. Use a 0.01 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. A. Upper H 0: pequals0.5 Upper H 1: pless than0.5 B. Upper H 0: pequals0.5 Upper H 1: pnot equals0.5 C. Upper H 0: pgreater than0.5 Upper H 1: pequals0.5 D. Upper H 0: pequals0.5 Upper H 1: pgreater than0.5 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is nothing. (Round to two decimal places as needed.) Identify the P-value for this hypothesis test. The P-value for this hypothesis test is nothing. (Round to three decimal places as needed.) Identify the conclusion for this hypothesis test. A. Fail to reject Upper H 0. There is sufficient evidence to support the claim that the probability of the home team winning is greater…A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2769 occupants not wearing seat belts, 28 were killed. Among 7887 occupants wearing seat belts, 14 were killed. Use a 0.01 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of occupants not wearing seat belts and the second sample to be the sample of occupants wearing seat belts. What are the null and alternative hypotheses for the hypothesis test? O A. Ho: P1 #P2 H:Pq =P2 O B. Ho: P1 SP2 H: P1 #P2 OC. Ho: P1 = P2 H: 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.) What is the conclusion based on the hypothesis test? V the null hypothesis. There V sufficient evidence to support the claim that the fatality rate is higher…In a study of 807 randomly selected medical malpractice lawsuits, it was found that 507 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 H: p= 0.5 OB. Ho: p 0.5 H,: p=0.5 OC. Họ: p= 0.5 H,: p#0.5 OE. Ho: p=0.5 H: p05 What is the test statistic? (Round to two 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 nul hypothesis because the P-value is greater than the significance level, a. OC. Reject the null hypothesis because the P-value is less than or equal to the significance level, a. O D. Fail to reject the null hypothesis because the P-value is greater than the significance level, a What is the final conclusion? O A. There is sufficient evidence to support…
- In a study of 803 randomly selected medical malpractice lawsuits, it was found that 507 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? O A. Ho: p>0.5 H:p=0.5 OB. H: p=0.5 H: p#0.5 OC. Ho: p#0.5 OD. H: p=0.5 H:p=0.5 H:p0.5 H: p=0.5 What is the test statistic? (Round to two decimal places as needed.) What is the P-value? P-value =Consider a drug testing company that provides a test for marijuana usage. Among 271 tested subjects, results from 26 subjects were wrong (either a false positive or a false negative). Use a 0.10 significance level to test the claim that less than 10 percent of the test results are wrong. 1. Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is _____ (Round to two decimal places as needed.) 2. Identify the P-value for this hypothesis test. The P-value for this hypothesis test is _____. (Round to three decimal places as needed.)K A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2740 occupants not wearing seat belts, 38 were killed. Among 7645 occupants wearing seat belts, were killed. Use a 0.05 significance level to test the claim that seat belts are effective in reducing fatalities. Complete parts (a) through (c) below. 1. 2 D a. Test the claim using a hypothesis test. Consider the first sample to be the sample of occupants not wearing seat belts and the second sample to be the sample of occupants wearing seat belts. What are the null and alternative hypotheses for the hypothesis test? re this View an example Get more help - S OA. Ho: P₁ P2 H₁: P₁ P₂ W command OD. Ho: P₁ P₂ H₁: P₁ P₂ Identify the test statistic. H x (Round to two decimal places as needed.) 11 # 3 E D 80 F с $ 4 R F V % 5 T G B Stv 6 B. Ho: P1 P2 H₁: P₁ P2 OE. Ho: P1 P2 H₁: P₁ P₂ MacBook Air Y H 8 7 SZA N 17 U J * 8 M D-II Fa I K ( 9 O L command OC. Ho: P₁ P₂ H₁: P₁ P2 OF. Ho: P₁ SP₂ H₁: P₁ P₂ F10 P…
- 3In a random sample of males, it was found that 22 write with their left hands and 220 do not. In a random sample of females, it was found that 73 write with their left hands and 449 do not. Use a 0.05 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test? OA. Ho: P₁ P2 H₁: P₁ P2 O D. Ho: P₁ = P2 H₁: P₁ P2 B. Ho: P₁ = P2 H₁: P₁ P2 E. Ho: P₁ P2 H₁: P₁ = P2 C. Ho: P₁ P2 H₁: P₁ P2 OF. Ho: P₁ H₁: P₁ P2 P₂Consider a sample of 50 football games, where 28 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. A. Upper H 0 : pequals 0.5 Upper H 1 : pless than 0.5 B. Upper H 0 : pgreater than 0.5 Upper H 1 : pequals 0.5 C. Upper H 0 : pequals 0.5 Upper H 1 : pnot equals 0.5 D. Upper H 0 : pequals 0.5 Upper H 1 : pgreater than 0.5 Your answer is correct. Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is 1.98 . (Round to two decimal places as needed.)
- A genetic experiment with peas resulted in one sample of offspring that consisted of 424 green peas and 151 yellow peas. a. Construct a 90% confidence interval to estimate of the percentage of yellow peas. b. It was expected that 25% of the offspring peas would be yellow. Given that the percentage of offspring yellow peas is not 25%, do the results contradict expectations? .... a. Construct a 90% confidence interval. Express the percentages in decimal form.In a random sample of males, it was found that 23 write with their left hands and 217 do not. In a random sample of females, it was found that 73 write with their left hands and 459 do not. Use a 0.01 significance level to test the claim that the rate of left-handedness among males is less than that among females. Complete parts (a) through (c) below. a. Test the claim using a hypothesis test. Consider the first sample to be the sample of males and the second sample to be the sample of females. What are the null and alternative hypotheses for the hypothesis test? A. H0: p1≤p2 H1: p1≠p2 B. H0: p1≥p2 H1: p1≠p2 C. H0: p1=p2 H1: p1>p2 D. H0: p1=p2 H1: p1≠p2 E. H0: p1≠p2 H1: p1=p2 F. H0: p1=p2 H1: p1<p2 Identify the test statistic. z=enter your response here (Round to two decimal places as needed.) Identify the P-value. P-value=enter your response here (Round to three…1