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AutoSave O Off) Document1 - Word Search Brandy Majewski BM X File Home Insert Draw Design Layout References Mailings Review View Help Grammarly Share Comments
AutoSave O Off) Document1 - Word Search Brandy Majewski BM X File Home Insert Draw Design Layout References Mailings Review View Help Grammarly Share Comments Question 16 of 20 (1 point) | Question Attempt: 1 of Unlimited A marriage counselor has traditionally seen that the proportion p of all married couples for whom her communication program can prevent divorce is 80%. After making some recent changes, the marriage counselor now claims that her program can prevent divorce in more than 80% of married couples. In a random sample of 235 married couples who completed her program, 193 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 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 Ho and the alternative hypothesis H. (a) State the null hypothesis Ho and the alternative hypothesis H1. Ho : 0 Ho : 0 H, :0 H, :0 (b) Determine the type of test statistic to use. (b) Determine the type of test statistic to use. Choose one) (Choose one) (c) Find the value of the test statistic. (Round to three or more decimal places.) (C) test statistic. (Round to three or more decimal places.) 0 Chi-square (d) Find the p-value. (Round to three or more decimal places.) (d) Find the p-value. (Round to three or more decimal places.) (e) Is there enough evidence to support the marriage counselor's claim that the (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 proportion of married couples for whom her program can prevent divorce is more than 80%? more than 80%? Oves ONo Oyes ONO Page 6 of 6 0words [ Text Predictions: On 1% Accessibility: Investigate Focus + 130% O a Co W 2:01 PM Type here to search ? 62"F Partly sunny ~ 9 3 - (7 () 11/19/2021
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