Let n₁ = 50, X₁ = 40, n₂ = 50, and X₂ = 20. Complete parts (a) and (b) below.a. At the 0.05 level of significance, is there evidence of a significant difference between the two population proportions?Determine the null and alternative hypotheses. Choose the correct answer below.OA. Ho: ₁2π₂H₁: π₁ <π₂B. Ho: ₁₂H₁: π₁ > π₂C. Ho: π₁ #1₂H1: П1 =П2Calculate the test statistic, ZSTAT, based on the difference P₁ - P2.The test statistic, ZSTAT, is(Type an integer or a decimal. Round to two decimal places as needed.)Calculate the p-value.O D. Ho: ₁ = π₂H₁: π₁ #π₂퍼The p-value is.(Type an integer or a decimal. Round to three decimal places as needed.)

Answered: Image /qna-images/answer/e92a05c6-318e-4923-be03-a6f2fcf45bbc.jpg

Answered: Let n₁ = 50, X₁ = 40, n₂ = 50, and X₂ =…

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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PLEASE HELP WITH THE PROBLEM BELOW Let pm and pf be the respective proportions of male and female white-crowned sparrows that return to their hatching site. We observed that 124 out of 894 males and 70 out of 700 females returned. Does your result agree that there is no difference between the proportions of male and female white-crowned sparrows that return to their hatching site with α = 0.05? Formulate the hypotheses Finish the hypothesis testing and draw your conclusion (use p-value to test the hypotheses)
Scenario: 200 people were asked, “Who is your favorite superhero?” Below are the data. Test the null hypothesis that the population frequencies for each category are equal. α= .05. Iron Man Black Panther Wonder Woman Spiderman fo = 40 fo = 60 fo =55 fo = 45 fe = fe = fe = fe = What is the correct result based on the data?
The national average SAT score is roughly 1500. We would like to see if the high school seniors who apply to Duke have higher than average SAT scores. We randomly sample 100 applicants' files and record their SAT scores. Which of the following is the correct set of hypotheses for this research question? Hint: think about how many samples we have data from. H0: μ = 1500; HA: μ ≠ 1500 H0: p = 1500; HA: p > 1500 H0: μ Duke= μ National; HA: μ Duke> μ National H0: x = 1500; HA: x > 1500 H0: μ = 1500; HA: μ > 1500
Determine Px and o from the given parameters of the population and sample size. X μ=85, o=6, n = 36 14₂ = 0 Px
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Which of the following is the best decision and conclusion based on the result below? H.: p = 0.10 Ha:p + 0.10 Critical Value: +1.645 Computed Test Statistics: z = 5.61 O a. Since the computed test statistics is less than the critical value, do not reject Ho. Therefore, we conclude that at 0.10 level of significance, there is enough evidence that the population proportion is different from 10%. O b. Since the computed test statistics is less than the critical value, do not reject Ho. Therefore, we conclude that at 0.10evel of significance, there is enough evidence that the population proportion is different from 10%. O c. Since the computed test statistics is greater than the critical value, reject Ho. Therefore, we conclude that at 0.10 level of significance, there is enough evidence that the population proportion is different from 10%. O d. Since the computed test statistics is less than the critical value, reject Ho. Therefore, we conclude that at 0.10 level of significance, there…
Find the P-value. (Round to three decimal places as needed.) Based on these results, what is your conclusion? Choose the correct answer below. A. Rejectthe null hypothesis. There is not sufficient evidence of an association between race and the section of the apartment complex in which people live. B. Reject the null hypothesis. There is sufficient evidence of an association between race and the section of the apartment complex in which people live. C. Fail to reject the null hypothesis. There is sufficient evidence of an association between race and the section of the apartment complex in which people live. D. Fail to reject the null hypothesis. There is not sufficient evidence of an association between race and the section of the apartment complex in which people live
Test the hypothesis using the P-value approach. Be sure to verify the requirements of the test. Upper H 0 : pequals 0.4 versus Upper H 1 : pgreater than 0.4 nequals 200 ; xequals 100 ; alpha equals0.05 Click here to view page 1 of the table. LOADING... Click here to view page 2 of the table. LOADING... Calculate the test statistic, z 0 . z 0 equalsnothing (Round to two decimal places as needed.) Identify the P-value. P-valueequals nothing (Round to three decimal places as needed.) Choose the correct result of the hypothesis test for the P-value approach below. A. Reject the null hypothesis, because the P-value is less than alpha . B. Reject the null hypothesis, because the P-value is greater than alpha . C. Do not reject the null hypothesis, because the P-value is greater than alpha . D. Do not reject the null hypothesis, because the P-value is less…
For c is the null hypothesis rejected?
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Describe type I and type II errors for a hypothesis test of the indicated claim. A furniture store claims that at least 40% of its new customers will return to buy their next piece of furniture. Describe the type I error. Choose the correct answer below. OA. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is at least 0.40, but you fail to reject Ho: p20.40. OB. A type I error will occur when the actual proportion of new customers who return to buy their next piece furniture is at least 0.40, but you reject Ho: p20.40. OC. A type I error will occur when the actual proportion of new customers who return to buy their next piece of furniture is no more than 0.40, but you reject Ho: p ≤ 0.40. OD. A type I error will occur when the actual proportion of new customers who return to buy their next piece f furniture is no more than 0.40, but you fail to reject Ho: p ≤0.40. Describe the type II error. Choose the correct answer…

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