The hospital director was told that 55 of the treated patients are insured. The director wants to test the claim that the percentage of insured patients is less than the expected percentage. A sample of 20 patients found that 60 were insured. Determine the decision rule for rejecting the null hypothesis Ha at the 0.05 level.
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State the null and alternative hypotheses: - Null hypothesis (H0): The percentage of insured patients in the treated population is equal to or greater than the expected percentage (55%). - Alternative hypothesis (Ha): The percentage of insured patients in the Show more…
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