Right taikd test Two-tailed tesst Left-taiked teat b. What is the tes.pdf

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Right taikd test Two-tailed tesst Left-taiked teat b. What is the test statistic? The test stalistic is (Round to two decimal places as naeded.) c. What is the: nvilue? The e-velue is (Round to three decimal places as needed.? d. What is the null trypothegis and what do you conctude about il? Identify the null hypothesis. AL Hg0.81 B. Hj=>0.91 C. Hy==0.91 D. H2;=0$1 Chease the correct ariswer tuelcrw. A. Reject the null hypothesis beceuse the p-velue is less then or equel to the sgrificance level. of. B. Rajent the null hypathesis theniuse the p-vilue is greater than the significance level. te. C. Feil to reject the null hypothesie because the p-value is less than of equal to the significance level, ic. D. Feil to reject the null hypothesis because the p-velue is greater than the significance level, . What is the final condusion?.

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Stats math 1. You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.25. With H 1 : p >> 0.25 you obtain a test statistic of z=1.397z=1.397. Use a normal distribution calculator and the test statistic to find the P-value accurate to 4 decimal places. It may be left-tailed, right-tailed, or 2-tailed. P-value = 2. You are conducting a study to see if the probability of catching the flu this year is significantly more than 0.27. With H 1 : p >> 0.27 you obtain a test statistic of z=1.722z=1.722. Use a normal distribution calculator and the test statistic to find the P-value accurate to 4 decimal places. It may be left-tailed, right-tailed, or 2-tailed. P-value = 3. You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.81. You use a significance level of α=0.001α=0.001. H0:p=0.81H0:p=0.81 H1:p>0.81H1:p>0.81 You obtain a sample of size n=218n=218 in which there are 184 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... a) less than (or equal to) αα b) greater than αα This test statistic leads to a decision to... a) reject the null b) accept the null c) fail to reject the null As such, the final conclusion is that... a) There is sufficient evidence to warrant rejection of the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. b)There is not sufficient evidence to warrant rejection of the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. c)The sample data support the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. d)There is not sufficient sample evidence to support the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. 4. You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly different from 0.23. You use a significance level of α=0.02α=0.02. H0:p=0.23H0:p=0.23 H1:p≠0.23H1:p≠0.23 You obtain a sample of size n=167n=167 in which there are 32 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... A) less than (or equal to) αα B) greater than αα This test statistic leads to a decision to... A)reject the null B)accept the null C)fail to reject the null As such, the final conclusion is that... A) There is sufficient evidence to warrant rejection of the claim that the proportion of men over 50 who regularly have their pros.

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1. You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.25. With H 1 : p >> 0.25 you obtain a test statistic of z=1.397z=1.397. Use a normal distribution calculator and the test statistic to find the P-value accurate to 4 decimal places. It may be left-tailed, right-tailed, or 2-tailed. P-value = 2. You are conducting a study to see if the probability of catching the flu this year is significantly more than 0.27. With H 1 : p >> 0.27 you obtain a test statistic of z=1.722z=1.722. Use a normal distribution calculator and the test statistic to find the P-value accurate to 4 decimal places. It may be left-tailed, right-tailed, or 2-tailed. P-value = 3. You are conducting a study to see if the probability of a true negative on a test for a certain cancer is significantly more than 0.81. You use a significance level of α=0.001α=0.001. H0:p=0.81H0:p=0.81 H1:p>0.81H1:p>0.81 You obtain a sample of size n=218n=218 in which there are 184 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... a) less than (or equal to) αα b) greater than αα This test statistic leads to a decision to... a) reject the null b) accept the null c) fail to reject the null As such, the final conclusion is that... a) There is sufficient evidence to warrant rejection of the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. b)There is not sufficient evidence to warrant rejection of the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. c)The sample data support the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. d)There is not sufficient sample evidence to support the claim that the probability of a true negative on a test for a certain cancer is more than 0.81. 4. You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly different from 0.23. You use a significance level of α=0.02α=0.02. H0:p=0.23H0:p=0.23 H1:p≠0.23H1:p≠0.23 You obtain a sample of size n=167n=167 in which there are 32 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... A) less than (or equal to) αα B) greater than αα This test statistic leads to a decision to... A)reject the null B)accept the null C)fail to reject the null As such, the final conclusion is that... A) There is sufficient evidence to warrant rejection of the claim that the proportion of men over 50 who regularly have their prostate .

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