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9. A newspaper article headline claims that bystanders perform CPR correctly 41% of cases where needed. A healthcare professional believes the percentage is higher. She cites a study of 880 cases in which 375 bystanders performed CPR correctly. Test this hypothesis at the 0.05 significance level. Round-off your answers correct to 2 decimal places. [6 marks] a) State the hypotheses 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"