A Study Was Conducted Among a Certain Group of Union

question 190

Multiple Choice

A study was conducted among a certain group of union members whose health insurance policies required second opinions prior to surgery. Of those members whose doctors advised them to have surgery, 20% were informed by a second doctor that no surgery was needed. Of these, 70% took the second doctor's opinion and did not go through with the surgery. Of the members who were advised to have surgery by both doctors, 95% went through with the surgery. What is the probability that a union member who had surgery was advised to do so by a second doctor?

• A) 0.5
• B) 0.93
• C) 0.15
• D) 0.81

---

Definitions:

Fourth Amendment

A provision in the U.S. Constitution that guards against unreasonable searches and seizures, ensuring the right to privacy.

Booking

The process of entering a suspect’s name, offense, and arrival time into the police log blotter following his or her arrest.

Holding Facility

A holding facility is a secure location where individuals are temporarily kept, such as detainees awaiting trial, processing, or transfer to another location.

Time of Arrival

The specific time at which a person or object is expected or scheduled to arrive at a particular location.