Consider a drug testing company that provides a test for marijuana usage. Among 294 tested subjects, results from 28 subjects were wrong (either a false positive or a false negative). Use a 0.05 significance level to test the claim that less than 10 percent of the test results are wrong. Identify the null and alternative hypotheses for this test. Choose the correct answer below. О А. Но: р<0.1 H1:p= 0.1 О В. Но: р30.1 H,:p<0.1 Ос. Но: р30.1 H1:p+0.1 O D. Ho: p=0.1 H,:p>0.1 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. Fail to reject Ho. There is sufficient evidence to warrant support of the claim that less than 10 percent of the test results are wrong. O B. Fail to reject Hn. There is not sufficient evidence to warrant support of the claim that less than 10 percent of the test results are wrong.

Consider a drug testing company that provides a test for marijuana usage. Among 294 tested subjects, results from 28 subjects were wrong (either a false positive or a false negative). Use a 0.05 significance level to test the claim that less than 10 percent of the test results are wrong. Identify the null and alternative hypotheses for this test. Choose the correct answer below. О А. Но: р<0.1 H1:p= 0.1 О В. Но: р30.1 H,:p<0.1 Ос. Но: р30.1 H1:p+0.1 O D. Ho: p=0.1 H,:p>0.1 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. Fail to reject Ho. There is sufficient evidence to warrant support of the claim that less than 10 percent of the test results are wrong. O B. Fail to reject Hn. There is not sufficient evidence to warrant support of the claim that less than 10 percent of the test results are wrong.

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Description: Consider a drug testing company that provides a test for marijuana usage. Among 294 tested subjects, results from 28 subjects were wrong (either a false positive or a falsenegative). Use a 0.05 significance level to test the claim that less than 10

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 random sample of 848 births included 425 boys. Use a 0.10 significance level to test the claim that 51.2% of newborn babies are boys. Do the results support the belief that 51.2% of newborn babies are boys? Identify the null and alternative hypotheses for this test. Choose the correct answer below. OA. Ho: p=0.512 H₁: p>0.512 OB. Ho p=0.512 H₁: p<0.512 c. Ho: p=0.512 H₁: p 0.512 OD. Ho: p 0.512 H₁: p=0.512 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is ☐ (Round to two decimal places as needed.)
Suppose 219 subjects are treated with a drug that is used to treat pain and 55 of them developed nausea. Use a 0.10 significance level to test the claim that more than 20% of users develop nausea.
A headline read, "More Than Half of Americans Say Federal Taxes Too High." The headline was based on a random sample of 1023 adult Americans in which 534 stated the amount of federal tax they have to pay is too high. Is this an accurate headline? Assume the a =0.01 level of significance. Identify the null and alternative hypotheses for this test. O A. Ho: p>0.50 H1: p= 0.50 ОВ. Но: р%3 0.50 Ос. Но р#0.50 H1: p> 0.50 H,: p= 0.50 O F. Ho: p<0.50 H,: p = 0.50 O D. Ho: p= 0.50 O E. Ho: p = 0.50 H,: p<0.50 H,: p#0.50 Find the test statistic for this hypothesis test. E (Round to two decimal places as needed.) Determine the P-value for this hypothesis test. P-value = (Round to three decimal places as needed.) tate the usion hypothesis V Ho. There V sufficient evidence at the a = 0.01 level of significance to conclude that V of Americans say that federal taxes are too high.
A random sample of 866 births included 430 boys. Use a 0.01 significance level to test the claim that 51.2% of newborn babies are boys. Do the results support the belief that 51.2% of newborn babies are boys? Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p=0.512 H₁: p>0.512 OB. Ho: p 0.512 H₁: p=0.512 C. Ho: p=0.512 H₁: p 0.512 OD. Ho: p=0.512 H₁: p<0.512 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is -0.91. (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 the accuracy of fast food drive-through orders, one restaurant had 30 orders that were not accurate among 375 orders observed. Use a 0.10 significance level to test the claim that the rate of inaccurate orders is equal to 10%. Does the accuracy rate appear to be acceptable? Identify the null and alternative hypotheses for this test. Choose the correct answer below. ОА. Но: р-0.1 H4:p#0.1 В. Но: р#0.1 H1:p=0.1 OC. Ho: p=0.1 H4:p0.1
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Consider a drug testing company that provides a test for marijuana usage. Among 301 tested subjects, results from 28 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. .... Identify the null and alternative hypotheses for this test. Choose the correct answer below. О А. Но: р3D0.1 H1:p>0.1 О В. Но: р30.1 H1:p<0.1 Ос. Но р30.1 H1: p#0.1 O D. Ho: p<0.1 H1:p= 0.1 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. Fail to reject Ho. There is sufficient evidence to warrant support of the claim that less than 10 percent of the test results are wrong. O B. Reject Ho. There is not sufficient evidence to…
Consider a sample of 53 football games, where 31 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. ОА. Но: р> 0.5 H1:p=0.5 О В. Н: р3D0.5 H1: p0.5
Consider a sample of 45 football games, where 27 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 Identify the null and alternative hypotheses for this test. Choose the correct answer below. O A. Ho: p= 0.5 H1:p 0.5 H1:p= 0.5 C. Ho:p=0.5 H1:p>0.5 O D. Ho: p=0.5 H: p#0.5 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is 1.34. (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.)
Suppose 220 subjects are treated with a drug that is used to treat pain and 55 of them developed nausea. Use a 0.10 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. А. Hо: р30.20 H1:p>0.20 В. Но: р> 0.20 H1:p= 0.20 С. Но: р3D0.20 H4: p<0.20 D. Ho: p= 0.20 H4: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.) 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. A. Reject Ho: There is not sufficient evidence to warrant support of the claim that more than 20% of users develop nausea. B. Reject Ho. There is sufficient evidence to warrant support of the claim that more than 20% of users develop nausea. C. Fail to reject Ho. There is not…
In a program designed to help patients stop smoking, 213 patients were given sustained care, and 83.6% of them were no longer smoking after one month. Use a 0.05 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. Choose the correct answer below. A. H0: p=0.8 H1: p<0.8 B. H0: p=0.8 H1: p≠0.8 Your answer is correct. C. H0: p≠0.8 H1: p=0.8 D. H0: p=0.8 H1: p>0.8 Identify the test statistic for this hypothesis test. The test statistic for this hypothesis test is- The p-value- Reject Ho?
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.)