The test statistic of z= -1.77 is obtained when testing the claim that p *0.619. This is a two-tailed test. Using a 0.10 significance level, complete parts (a) and (b).Click here to view the standard normal distribution table for negative z scores. Click here to view the standard normal distribution table for positive z scores.a. Find the critical value(s).Select the correct choice below and fill in the answer box(es) within your choice.(Round to two decimal places as needed.)OA. There are two critical values; the lower critical value isO B. There is one critical value; the critical value isb. Should we reject Ho or should we fail to reject Hỏ?and the upper critical value isO A. Ho should not be rejected, since the test statistic is not in the critical region.O B. Ho should be rejected, since the test statistic is in the critical region.O C. Ho should be rejected, since the test statistic is not in the critical region.O D. Ho should not be rejected, since the test statistic is in the critical region.G

Answered: The test statistic of z= -1.77 is…

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 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 55 girls in 100 births, so the sample statistic of 1120 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.Part 7g. What are the critical value(s)?The critical value(s) is/are enter your response here. (Round to three decimal places as needed. Use a comma to separate answers as needed.)Part 8h. What is the area of the critical region?The area is enter your response here. (Round to two decimal places as needed.)
The test statistic of z= - 1.46 is obtained when testing the claim that p = 1/6. a. Using a significance level of a = 0.05, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are z= (Round to two decimal places as needed. Use a comma to separate answers as needed.)
On average is the younger sibling's IQ different from the older sibling's IQ? Ten sibling pairs were given IQ tests. The data are shown below. IQ Scores Younger Sibling 102 101 102 110 94 101 104 89 97 108 Older 89 92 101 108 93 94 99 92 82 100 Sibling Assume a Normal distribution. What can be concluded at the the a = 0.01 level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Ho: Select an answer Select an answer Select an answer H1: Select an answer Select an answer Select an answer b. The test statistic (please show your answer to 2 decimal places.) c. The p-value = (Please show your answer to 4 decimal places.) d. The p-value is e. Based on this, we should (Select an answer the null hypothesis.
Complete parts (a) and (b) below. Click here to view Page 1 of the table of areas under the standard normal curve. Click here to view Page 2 of the table of areas under the standard normal curve. a. The test statistic in a right-tailed test is z= 1.71. Determine the P-value and decide whether, at the 5% significance level, the data provide sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis. The P-value is (Round to three decimal places as needed.) This P-value V sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis because it is V the significance level. b. The test statistic in a right-tailed test is z= - 0.82. Determine the P-value and decide whether, at the 5% significance level, the data provide sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis. The P-value is (Round to three decimal places as needed.) This P-value sufficient evidence to reject the null hypothesis in…
6 The test statistic of z = -2.47 is obtained when testing the claim that p<7. This is a left-tailed test. Using a 0.01 significance level, complete parts (a) and (b). Click here to view the standard normal distribution table for negative z scores. Click here to view the standard normal distribution table for positive z scores. a. Find the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) O A. There are two critical values; the lower critical value is OB. There is one critical value; the critical value is b. Should we reject Ho or should we fail to reject Ho? and the upper critical value is O A. Ho should be rejected, since the test statistic is in the critical region. O B. Ho should not be rejected, since the test statistic is not in the critical region. O C. Ho should be rejected, since the test statistic is not in the critical region. O D. Ho should not be rejected, since the test statistic…
The test statistic of z = - 1.73 is obtained when testing the claim that p< 0.73. a. Using a significance level of a= 0.01, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are z = (Round to two decimal places as needed. Use a comma to separate answers as needed.) b. Choose the correct conclusion below. O A. Reject Hg. There is sufficient evidence to support the claim that p<0.73. O B. Fail to reject Hg. There is not sufficient evidence to support the claim that p<0.73. O C. Fail to reject Hg. There is sufficient evidence to support the claim that p< 0.73. D. Reject Hg. There is not sufficient evidence to support the claim that p<0.73.
The test statistic of z=0.91 is obtained when testing the claim that p>0.29. This is a right-tailed test. Using a 0.10 significance level, complete parts (a) and (b). Click here to view the standard normal distribution table for negative z scores. Click here to view the standard normal distribution table for positive z scores. a. Find the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) OA. There are two critical values; the lower critical value is B. There is one critical value; the critical value is and the upper critical value is
The test statistic of z = -2.13 is obtained when testing the claim that p<0.15. a. Using a significance level of a = 0.01, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. Standard normal distribution table (page 1) a. The critical value(s) is/are z = (Round to two decimal places as needed. Use a comma to separate answers as needed.) NEGATIV E z Scores Standard Normal (2) Distribution: Cumulative Area from the LEFT 01 .02 03 04 05 06 07 08 09 -3.50 and 0001 lower -3.4 0003 .0003 0003 0003 0003 0003 .0003 .0003 0003 .0002 -3.3 0005 0005 0004 0004 .0004 0004 0004 0004 .0003 -3.2 0007 0007 0006 0006 0006 0006 0006 .0005 .0005 .0005 -3.1 0010 0009 0009 0009 0008 0008 .0008 0008 .0007 .0007 -3.0 0013 0013 0013 0012 0012 .0011 0011 .0011 .0010 .0010 -2.9 0019 0018 0018 0017 0016 0016 0015 0015 .0014 0014 -2.8 0026 0025…
The test statistic of z = 1.67 is obtained when testing the claim that p#0.392. a. Identify the hypothesis test as being two-tailed, left-tailed, or right-tailed. b. Find the P-value. c. Using a significance level of a=0.05, should we reject H, or should we fail to reject H,? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. se SE a. This is a test. se b. P-value = (Round to three decimal places as needed.) c. Choose the correct conclusion below. O A. Fail to reject Ho. There is sufficient evidence to support the claim that p#0.392. see O B. Reject Ho. There is sufficient evidence to support the claim that p# 0.392. O C. Reject Ho. There is not sufficient evidence to support the claim that p# 0.392. see O D. Fail to reject H,. There is not sufficient evidence to support the claim that p 0.392.
The test statistic of z= - 3.48 is obtained when testing the claim that p< 0.77. a. Using a significance level of a = 0.01, find the critical value(s). b. Should we reject Ho or should we fail to reject Ho? Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are z = (Round to two decimal places as needed. Use a comma to separate answers as needed.) b. Choose the correct conclusion below. A. Reject Ho. There is not sufficient evidence to support the claim that p<0.77. B. Fail to reject Ho. There is not sufficient evidence to support the claim that p< 0.77. C. Reject Ho. There is sufficient evidence to support the claim that p< 0.77. D. Fail to reject Ho. There is sufficient evidence to support the claim that p<0.77.
The test statistic of z = – 3.21 is obtained when testing the claim that p< 0.89. a. Using a significance level of a = 0.05, find the critical value(s). b. Should we reject Ho or should we fail to reject H,? %3D Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. a. The critical value(s) is/are z = (Round to two decimal places as needed. Use a comma to separate answers as needed.) b. Choose the correct conclusion below. O A. Fail to reject Ho. There is not sufficient evidence to support the claim that p< 0.89. O B. Reject Ho. There is sufficient evidence to support the claim that p< 0.89. O C. Fail to reject Ho. There is sufficient evidence to support the claim that p < 0.89. O D. Reject Ho. There is not sufficient evidence to support the claim that p< 0.89.
A 0.01 significance level is used for a hypothesis test of the claim that when parents use a particular method of gender selection, the proportion of baby girls is different from 0.5. Assume that sample data consists of 55 girls in 100 births, so the sample statistic of 1120 results in a z score that is 1 standard deviation above 0. Complete parts (a) through (h) below.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1a. Identify the null hypothesis and the alternative hypothesis. Choose the correct answer below.A.H0: p=0.5H1: p≠0.5B.H0: p=0.5H1: p>0.5C.H0: p=0.5H1: p<0.5D.H0: p≠0.5H1: p=0.5Part 2b. What is the value of α?α=enter your response here (Type an integer or a decimal.)Part 3c. What is the sampling distribution of the sample statistic? χ2 Normal distribution Student (t) distribution

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