Doctors Nationally Believe That 74% of a Certain Type of Operation

question 15

Multiple Choice

Doctors nationally believe that 74% of a certain type of operation are successful. In a particular hospital, 57 of these operations were observed and 47 of them were successful. At = .05, is this hospital's success rate different from the national average?

• A) No, because the test value 0.86 is in the noncritical region.
• B) Yes, because the test value 0.86 is in the critical region.
• C) No, because the test value 1.46 is in the noncritical region.
• D) Yes, because the test value 1.46 is in the noncritical region.

---

Definitions:

Oncologist

A medical doctor specialized in diagnosing and treating cancer through various therapies, including chemotherapy, radiation, and surgery.

Psychiatrist

A medical doctor specializing in the diagnosis, treatment, and prevention of mental, emotional, and behavioral disorders.

Living Will

A legal document that records a person's wishes regarding medical treatment in circumstances where they are unable to express informed consent.

Quality of Life

A measure of the general well-being of individuals and societies, encompassing not only wealth and employment but also the built environment, physical and mental health, education, recreation and leisure time, and social belonging.