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A hospital director is told that 28 % of the treated patients are uninsured. The director wants to test the claim that the pe

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below are the test details"

null Hypothesis: alternate Hypothesis: Ha: p 0.28 Но: р %3D 0.28 for 0.02 level with left tailed test, critical z 2.054 Decis

from above :

Decision rule: reject Ho if test statistic z < -2.05

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