9. Ho: p≥ 0.6, p= 0.55, Zcritical Decision: 9. Ho: p≥ 0.25, p= 0.24, Zcritical Decision: n=40, n=70, Ha: p < 0.6 confidence level = 99% Zcomputed Ha: p < 0.25 a= 0.05 Zcomputed

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