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A hospital director is told that 43% of the treated patients are uninsured. The director wants...

A hospital director is told that 43% of the treated patients are uninsured. The director wants to test the claim that the percentage of uninsured patients is more than the expected percentage. A sample of 150 patients found that 75 were uninsured. At the 0.01 level, is there enough evidence to support the director's claim? Step 1 of 6 : State the null and alternative hypotheses.

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