In a 4-week study about the effectiveness of using magneticinsoles to treat plantar heel pain, 58 subjects wore magneticinsoles and 40 subjects wore nonmagnetic insoles. Theresults are shown at the right. At a= 0.06, can you supportthe claim that there is a difference in the proportion ofsubjects who feel better between the two groups? Assumethe random samples are independent. Complete parts (a)through (e).Do you Feel Better?Magnetic InsolesI Yes 20I No 38Nonmagnetic InsolesYes 17No 23(Use a comma to separate answers as needed. Type an integer or a decimal. Round to two decimal places as needed.)Identify the rejection region(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. z<and z>O B. z>O D. z<C.(c) Find the standardized test statistic.(Round to two decimal places as needed.)(d) Decide whether to reject or fail to reject the null hypothesisChoose the correct answer below.

Answered: Image /qna-images/answer/ef2481fc-0bff-48c4-9306-95ae28621348.jpg

Answered: Identify the rejection region(s).…

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 public opinion poll surveyed a simple random sample of voters. Respondents were classified by gender (female or male) and by voting preference (Republican, Democrat, or Independent). The results are presented here: Republican 261 202 Female Male You want to determine if gender and voting preference are independent. Use a level of significance of a = 0.05. What is the test statistic for this test? (Round your answer to three decimal places.) Democrat 239 181 Independent 42 62
Check My Work (4 remaining) Tourism is extremely important to the economy of Florida. Hotel occupancy is an often-reported measure of visitor volume and visitor activity (Orlando Sentinel, May 19, 2018). Hotel occupancy data for February in two consecutive years are as follows. Current Year Previous Year Occupied Rooms 1,505 1,411 Total Rooms 1,750 1,700 a. Formulate the hypothesis test that can be used to determine whether there has been an increase in the proportion of rooms occupied over the one-year period. Let pi = population proportion of rooms occupied for current year p2 = population proportion of rooms occupied for previous year Ho : Pi – P2 equal to 0 H. : Pi – P2 equal to 0 b. What is the estimated proportion of hotel rooms occupied each year (to 2 decimals)? Current year Previous Year c. Conduct a hypothesis test. What is the p-value (to 4 decimals)? Use Table 1 from Appendix B. p-value = Using a 0.05 level of significance, what is your conclusion? We - Select your answer -…
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Part B and Part C please! Thank You so much! Part C) For the hypothesis test, identify the vaule used for the population proportion and use the symbol that represents it.
Did I calculate this correctly? Thank you.
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K Census data for a certain county show that 17% of the adult residents are Hispanic. Suppose 74 people are called for jury duty and only 10 of them are Hispanic. Does this apparent underrepresentation of Hispanics call into question the fairness of the jury selection system? Explain.. Write appropriate hypotheses. Ho: p= 17% HA: P < 17% The test statistic is z = - .80 (Round to two decimal places as needed.) The P-value is. (Round to three decimal places as needed.) C
Answer allll parts. only HANDWRITTEN answer needed ( NOT TYPED)
1.Determine the test statistic. (Round to three decimal places as needed.) 2.Determine the P-value of the test statistic. (Round to four decimal places as needed.) 3. use 0.01 significance to test the claim
fror TIME SUBJECT ROOM AVONOW 1 INSTRUC You may need to use the appropriate appendix table or technology to answer this question. Consider the hypothesis test. Ho: P₁ P₂ ≤0 Ha: P₁ P₂ > 0 The following results are for independent samples taken from the two populations. Sample 2 A VENEMAAL 7₂ = 300 Sample n₁ = 200 P₁ = 0.24 P₂ = 0.14 (a) Calculate the test statistic. (Round your answer to two decimal places.) 2.86 You may have rounded in the wrong direction. AVAN XVԺՎՈԼԵՏ
An
You are interested in investigating whether gender and major are associated at your college. The table below shows the results of a survey. Math/Science Arts/Humanities Business/Econ. Other Men 76 109 73 49 Women 82 96 93 34 What can be concluded at the αα = 0.01 significance level? What is the correct statistical test to use? Independence Homogeneity Goodness-of-Fit Paired t-test What are the null and alternative hypotheses?H0:H0: The distribution of college major is the same for each gender. College major and gender are independent. College major and gender are dependent. The distribution of college major is not the same for each gender. H1:H1: College major and gender are independent. The distribution of college major is not the same for each gender. College major and gender are dependent. The distribution of college major is the same for each gender. The test-statistic for this data = (Please show your answer to three decimal places.) The p-value for…

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Identify the rejection region(s). Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as ne O B. z> O A. z< and z> O D. z< O C.