It is estimated that 780,000 surgical site infections (SSIs) occur each year.SSIs are the second most common type of healthcare-associated infections in U.S.hospitals and account for an extra $3.5 to $10 billion in healthcare costs per year.The national SSIs rate is 1.9%.A Georgetown medical office was interested in determining if their SSI rate were smaller than the national average.Out of a sample of 277 patients in their study,only one infection occurred.What is an 80% confidence interval for ?
A) (.004,.011)
B) (0,1)
C) (-.001,.008)
D) None of the above
Correct Answer:
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