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Learn o CONFIDENCE INTERVALS AND HYPOTHESS TESTNG Hypothesis test for a population proportion using the critical A marriage counselor has traditionally seen that the proportion p of all married couples for whom her communication program can prevent divorce is 77%. After making some recent changes, the marriage counselor now claims that her program can prevent divorce in more than 77% of married couples. In a random sample of 205 married couples who completed her program, 170 of them stayed together. Based on this sample, is there enough evidence to support the marriage counselor's claim at the 0.10 level of Españal significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H,. (a) (b) Determine the type of test statistic to use. (Choose one) ▼ ORO OS0 (c) Find the value of the test statistic. (Round to three or more decimal places.) D

Learn o CONFIDENCE INTERVALS AND HYPOTHESS TESTNG Hypothesis test for a population proportion using the critical A marriage counselor has traditionally seen that the proportion p of all married couples for whom her communication program can prevent divorce is 77%. After making some recent changes, the marriage counselor now claims that her program can prevent divorce in more than 77% of married couples. In a random sample of 205 married couples who completed her program, 170 of them stayed together. Based on this sample, is there enough evidence to support the marriage counselor's claim at the 0.10 level of Españal significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H,. (a) (b) Determine the type of test statistic to use. (Choose one) ▼ ORO OS0 (c) Find the value of the test statistic. (Round to three or more decimal places.) D

College Algebra
College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 2P: Family Planning A intend to have two children. What is tie probability that they will have child of...
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Learn o CONFIDENCE INTERVALS AND HYPOTHESS TESTNG Hypothesis test for a population proportion using the critical A marriage counselor has traditionally seen that the proportion p of all married couples for whom her communication program can prevent divorce is 77%. After making some recent changes, the marriage counselor now claims that her program can prevent divorce in more than 77% of married couples. In a random sample of 205 married couples who completed her program, 170 of them stayed together. Based on this sample, is there enough evidence to support the marriage counselor's claim at the 0.10 level of Españal significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H,. (a) (b) Determine the type of test statistic to use. (Choose one) ▼ ORO OS0 (c) Find the value of the test statistic. (Round to three or more decimal places.) D<D (d) Find the critical value. (Round to three or more decimal places.) (e) Is there enough evidence to support the marriage counselor's claim that the proportion of married couples for whom her program can prevent divorce is more than 77%? OYes ONo
Transcribed Image Text:Learn o CONFIDENCE INTERVALS AND HYPOTHESS TESTNG Hypothesis test for a population proportion using the critical A marriage counselor has traditionally seen that the proportion p of all married couples for whom her communication program can prevent divorce is 77%. After making some recent changes, the marriage counselor now claims that her program can prevent divorce in more than 77% of married couples. In a random sample of 205 married couples who completed her program, 170 of them stayed together. Based on this sample, is there enough evidence to support the marriage counselor's claim at the 0.10 level of Españal significance? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places. (If necessary, consult a list of formulas.) (a) State the null hypothesis H, and the alternative hypothesis H,. (a) (b) Determine the type of test statistic to use. (Choose one) ▼ ORO OS0 (c) Find the value of the test statistic. (Round to three or more decimal places.) D<D (d) Find the critical value. (Round to three or more decimal places.) (e) Is there enough evidence to support the marriage counselor's claim that the proportion of married couples for whom her program can prevent divorce is more than 77%? OYes ONo
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