According to a Hospital Administrator,historical Records Over the Past 10

question 10

Multiple Choice

According to a hospital administrator,historical records over the past 10 years have shown that 20% of the major surgery patients are dissatisfied with after-surgery care in the hospital.A scientific poll based on 400 hospital patients has just been conducted. What is the probability that less than 64 patients will not be satisfied with the after-surgery care?

• A)47.72%
• B)2.28%
• C)97.72%
• D)95.44%
• E)4.56%

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Definitions:

Selection Bias

A type of error that occurs when the sample is not representative of the population being studied, potentially leading to skewed results.

Observational Studies

Research methods where subjects are observed in their natural environment without any manipulation by the researcher.

Behavior of Chimpanzees

The range of activities and behaviors exhibited by chimpanzees, reflecting their complex social structures, communication methods, and intelligence.

Case Studies

Case studies are detailed examinations of a single subject or situation to explore its dynamics and draw conclusions applicable to similar contexts.