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9. A newspaper article headline claims that bystanders perform CPR correctly 40% of cases where needed. A healthcare professional believes the percentage is higher. She cites a study of 880 cases in which 396 bystanders performed CPR correctly. Test this hypothesis at the 0.05 significance level. Round-off your answers correct to 2 decimal places. a) State the hypotheses (the null and the altenate hypothesis) b) Find the critical value(s). c) Calculate the test statistic d) Make a decision, a) or b) ? Circle a) if you choose to "Reject the null hypothesis" Circle b) if you choose to "Fail to reject the null hypothesis".

9. A newspaper article headline claims that bystanders perform CPR correctly 40% of cases where needed. A healthcare professional believes the percentage is higher. She cites a study of 880 cases in which 396 bystanders performed CPR correctly. Test this hypothesis at the 0.05 significance level. Round-off your answers correct to 2 decimal places. a) State the hypotheses (the null and the altenate hypothesis) b) Find the critical value(s). c) Calculate the test statistic d) Make a decision, a) or b) ? Circle a) if you choose to "Reject the null hypothesis" Circle b) if you choose to "Fail to reject the null hypothesis".

MATLAB: An Introduction with Applications
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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Kindly do all the parts why to leave part d i will rate your solution otherwise ots better to skip
9. A newspaper article headline claims that bystanders perform CPR correctly 40% of cases where needed. A healthcare professional believes the percentage is higher. She cites a study of 880 cases in which 396 bystanders performed CPR correctly. Test this hypothesis at the 0.05 significance level. Round-off your answers correct to 2 decimal places. a) State the hypotheses (the null and the altenate hypothesis) b) Find the critical value(s). c) Calculate the test statistic d) Make a decision, a) or b) ? Circle a) if you choose to "Reject the null hypothesis" Circle b) if you choose to "Fail to reject the null hypothesis".
Transcribed Image Text:9. A newspaper article headline claims that bystanders perform CPR correctly 40% of cases where needed. A healthcare professional believes the percentage is higher. She cites a study of 880 cases in which 396 bystanders performed CPR correctly. Test this hypothesis at the 0.05 significance level. Round-off your answers correct to 2 decimal places. a) State the hypotheses (the null and the altenate hypothesis) b) Find the critical value(s). c) Calculate the test statistic d) Make a decision, a) or b) ? Circle a) if you choose to "Reject the null hypothesis" Circle b) if you choose to "Fail to reject the null hypothesis".
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