A research hospital tries a new antibiotic scrub before surgery to see whether it can lower the
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A research hospital tries a new antibiotic scrub before surgery to see whether it can lower the rate of infections of surgical sites. The old rate of infection is 4%. The null hypothesis is that the proportion of infections is 0.04, p = 0.04. Give the alternative hypothesis in words and symbols.
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Related Book For 
Essential Statistics
ISBN: 9780134134406
2nd Edition
Authors: Robert Gould, Colleen N. Ryan, Rebecca Wong
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