One Ball Is Drawn at Random from a Bag Containing

question 74

Multiple Choice

One ball is drawn at random from a bag containing 17 red R balls and 2 white W balls. What is the probability that the ball is red? ​

---

Definitions:

Air Horn

A pneumatic device designed to create an extremely loud noise for the purposes of signaling or attracting attention, commonly used in sports events and emergencies.

Neutral Stimulus

A stimulus that initially produces no specific response other than focusing attention, used in classical conditioning experiments.

Unconditioned Stimulus

In classical conditioning, a stimulus that naturally triggers a reflexive or involuntary response without the need for prior learning.

Classical Conditioning

The educational practice of regularly associating two stimuli together; a response that starts out being elicited by the second stimulus is in time elicited by only the first stimulus.