IXL | Identify independent and dependent events

Edgar picks a card at random, puts it back, and then picks another card at random.

Are these two events dependent or independent?

dependent

independent

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Learn with an example

question

The children in Will's family are trying on costumes from a costume trunk in the attic. Will chooses a costume, and then Diane, his sister, chooses next.

Are these two events dependent or independent?

dependent

independent

key idea

Two events are dependent if the outcome of the first event can affect the outcome of the second event.

solution

The two events are dependent. Will's choice affects which costumes are left in the trunk for his sister.

Looking for more? Try these:

Lesson: Compound probability

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JJ.1Probability of simple events

Lesson: Compound probability

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