Find the Probability That Either Event a or B Occurs

question 121

Multiple Choice

Find the probability that either event A or B occurs if the chance of A occurring is .5, the chance of B occurring is .3, and events A and B are independent.

• A).80
• B).15
• C).65
• D).85

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Definitions:

Shaping

A method of positively reinforcing behaviors that are successively closer to the desired behavior.

Extinguish

In the context of psychology, to gradually reduce or eliminate a learned response by ceasing to reinforce the behavior.

Loudness

The perception of the intensity or volume of a sound, influenced by its amplitude and frequency, and measured in decibels.

Puff of Air

A stimulus often used in psychological experiments to trigger blink reflex or to study sensory processing.