Asked by Hoàng Tú Uyên on May 20, 2024
Verified
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 the approximate distribution of
?
A) Normal
B) Uniform
C) T
D) F
Healthcare-associated Infections
Infections that patients acquire during the course of receiving treatment for other conditions within a healthcare setting.
SSIs Rate
The occurrence rate of surgical site infections within a health-care setting.
National Average
The mean value of a particular measure calculated across an entire country.
- Familiarize oneself with the concept of standard error as it applies to the estimation of proportions.
Verified Answer
YY
Yi?it Yalç?nta?May 25, 2024
Final Answer :
A
Explanation :
Since the sample size is large (277 > 30), the central limit theorem applies, and the distribution of the sample proportion (SSI rate) can be approximated by a normal distribution.
Learning Objectives
- Familiarize oneself with the concept of standard error as it applies to the estimation of proportions.
Related questions
It Is Estimated That 780,000 Surgical Site Infections (SSIs)occur Each ...
A Random Number Is Any Number Between Negative Infinity and ...
As a Rule of Thumb, the Sampling Distribution of the ...
In a Local University, 70% of the Students Live in ...
A Random Sample of 100,000 Credit Sales in a Department ...