If the Probability of a Certain Event Is

question 9

Multiple Choice

If the probability of a certain event is .50 and the probability of a second event is .50, what is the probability of having the first event occur OR the second event occur?

• A) .25
• B) .50
• C) .75
• D) 1.00

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Definitions:

Visual Search

The task of locating a specific visual target among a field of distractors.

Number of Distracters

The quantity of irrelevant stimuli or options that divert attention away from the target information or choice.

Simultaneous Tasks

The performance of multiple tasks at the same time, requiring cognitive flexibility and often leading to divided attention.

Dictation

The act of speaking aloud for someone else to write down or for a machine to record the words.