Find the Probability That Either Event a or B Occurs

question 97

Multiple Choice

Find the probability that either event A or B occurs if the chance of A occurring is 0.5,the chance of B occurring is 0.3,and events A and B are independent.

• A)0.80
• B)0.15
• C)0.65
• D)0.85

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Definitions:

Neural Impulses

Electrical signals that travel along neurons, facilitating communication within the brain and between the brain and the body.

Unchanging Stimulus

A stimulus that remains constant and does not vary in its presentation, often used in psychological experiments to measure baseline responses.

Just Noticeable Difference

The minimum amount by which stimulus intensity must be changed in order to produce a noticeable variation in sensory experience.

Decibels

A logarithmic unit used to measure the intensity of sound, with zero decibels representing the threshold of hearing.