Find the appropriate p-value to test the null hypothesis, Ho: P1 P2. using a significance level of 0.05. nj-100 n₂-140 X1-41 X₂-35 O4211
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- Find the value of the standard score, z, and determine whether to reject the null hypothesis at a 0.01 significance level. Is the alternative hypothesis supported? Ho: μ = 19.1 meters, H₂: μ# 19.1 meters, n=144, x= 18.4 meters, o = 1.4 meters The value of the standard score is (Round to two decimal places as needed.) The critical value(s) is/are (Use a comma to separate answers as needed. Round to two decimal places as needed.) Determine whether the alternative hypothesis is supported at a 0.01 significance level. O A. The standard score is at least as extreme as the critical value(s). Reject Ho. The alternative hypothesis is supported. OB. The standard score is at least as extreme as the critical value(s). Do not reject Ho. The alternative hypothesis is not supported. C. The standard score is less extreme than the critical value(s). Reject Ho. The alternative hypothesis is supported. D. The standard score is less extreme than the critical value(s). Do not reject Ho. The alternative…a. Compute the p-value for the test (use R). Round to the nearest 3rd decimal place, 0.xxx. b. Make and justify a statistical decision at the α= 0.15 significance level and state your conclu-sions in context of the problem.18. Use the given information to find the P-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). With H1 p< 3/5, the test statistic is z = -1.68
- A hypothesis test is performed on Ho: Pa = 7 H₁: a <7 where the alternative hypothesis is the claim. Suppose that our test statistic is t = -1.13 and the critical value obtained from a given significance level is t = -1.52. Should we reject or fail to reject the null hypothesis? Select one: O a. reject O b. fail to rejectAssume a significance level of α=0.1 and use the given information to complete parts (a) and (b) below. Original claim: The mean pulse rate (in beats per minute) of a certain group of adult males is 70 bpm. The hypothesis test results in a P-value of 0.0025. a. State a conclusion about the null hypothesis. (Reject H0 or fail to reject H0.) Choose the correct answer below. A. Fail to reject H0 because the P-value is less than or equal to α. B. Reject H0 because the P-value is less than or equal to α. C. Reject H0 because the P-value is greater than α. D. Fail to reject H0 because the P-value is greater than α. b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? A. The mean pulse rate (in beats per minute) of the group of adult males is 70 bpm. B. There is sufficient evidence to warrant rejection of the claim that the…Use the given information to find the p-value. Also, use a 005 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the nul hypothesis). With H pr0.377, the test statistic is z3.06. OA 0.0011, tail to reject the null hypothesis OB. 0.0011: reject the null hypothesis OC. 0022, reject the null hypothesis OD. 0.0022. tail to reject the null hypothesis
- The test statistic of z=2.29 is obtained when testing the claim that p≠0.418. a. Find the P-value. Using a significance level of α=0.10, should we reject H0 or should we fail to reject H0? a. P-value=____(Round to three decimal places as needed.)Use the given information to find the p-value. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). K The test statistic in a right-tailed test is z=0.52. OA. 0.6030; fail to reject the null hypothesis OB. 0.0195; reject the null hypothesis OC. 0.3015; reject the null hypothesis OD. 0.3015; fail to reject the null hypothesis I Z 7 s 7 S x H command E D с III T R F G B Y I H U N B I J M G K O 6 H Time Remaining: 01:02:48 P command E . ? option NextThe following data represents the level of health and the level of education for a random sample of 1642 residents. Does the sample evidence suggest that level of education and health are independent at the α=0.05 α=0.05 level of significance? Find the test statistic χ2χ2. Find the P-value. Make the proper conclusion about this hypothesis test. Education Excellent Good Fair Poor Not a H.S. graduate 149 152 85 120 H.S. graduate 127 104 69 95 Some College 81 138 61 116 Bachelor Degree or higher 74 103 73 95
- 8.9 Assume a significance level of α=0.01 and use the given information to complete parts (a) and (b) below. Original claim: The mean pulse rate (in beats per minute) of a certain group of adult males is 71 bpm. The hypothesis test results in a P-value of 0.0707. a. State a conclusion about the null hypothesis. (Reject H0 or fail to reject H0.)Choose the correct answer below. A. Fail to reject H0 because the P-value is less than or equal to α. B. Fail to reject H0 because the P-value is greater than α. C. Reject H0 because the P-value is less than or equal to α. D. Reject H0 because the P-value is greater than α. b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? A. There is sufficient evidence to warrant rejection of the claim that the mean pulse rate (in beats per minute) of the group of adult males is 69 bpm. B. There is not sufficient evidence to warrant…Assume a significance level of a = 0.05 and use the given information to complete parts (a) and (b) below. Original claim: Women have heights with a mean equal to 151.7 cm. The hypothesis test results in a P-value of 0.1876. a. State a conclusion about the null hypothesis. (Reject H, or fail to reject Ho-) Choose the correct answer below. O A. Fail to reject Ho because the P-value is less than a. B. Reject Ho because the P-value is greater than a. C. Reject H, because the P-value is less than a. O D. Fail to reject Ho because the P-value is greater than a. b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? O A. There is not sufficient evidence to warrant rejection of the claim that the mean height of women is equal to 151.7 cm. B. There is not sufficient evidence to support the claim that the mean height of women is equal to 151.7 cm. OC. There is sufficient evidence to support the claim that…A random sample of 144 recent donations at a certain blood bank reveals that 86 were type A blood. Does this suggest that the actual percentage of type A donations differs from 40%, the percentage of the population having type A blood? Carry out a test of the appropriate hypotheses using a significance level of 0.01. In USE SALT State the appropriate null and alternative hypotheses. O H: p = 0.40 H:p 0.40 O Ho: p + 0.40 H: p = 0.40 O H: p = 0.40 H:p + 0.40 Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.) Z = P-value = State the conclusion in the problem context. O Reject the null hypothesis. There is sufficient evidence to conclude that the percentage of type A donations differs from 40%. O Do not reject the null hypothesis. There is sufficient evidence to conclude that the percentage of type A donations differs from 40%. O Do not reject the null hypothesis. There is not sufficient…