An Urn Is Filled with Three Different Colors of Balls

question 108

Short Answer

An urn is filled with three different colors of balls: red, blue, and white. There are three red balls, seven blue balls, and five white balls. If four balls are drawn, what is the probability of drawing two blue balls?

---

Definitions:

Immediate I/O Instruction

A command that executes input/output operations immediately, bypassing any buffering or queueing.

Total Scan Time

The complete duration taken by a system to scan or process all its inputs and outputs once.

Main Disconnect Switch

A safety device used to completely disconnect electrical power to a machine, system, or area for maintenance or emergency purposes.

Incoming Power Lines

Electrical lines that supply power from an external source to a building, machine, or device.