IXL | Identify independent and dependent events

Franklin picks a marble at random, puts it back, and then picks another marble at random.

Are these two events dependent or independent?

dependent

independent

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Learn with an example

question

During an election, voters go into a private voting booth to vote for the president. Jim votes in the morning, and Gavin votes later in the afternoon.

Are these two events dependent or independent?

dependent

independent

key idea

Two events are independent if the outcome of the first event does not affect the outcome of the second event.

solution

The two events are independent. Since the voting process is kept secret, the vote of one voter does not influence or affect the vote of another.

Looking for more? Try these:

Lesson: Compound probability

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II.2Probability of simple events

II.1Sample spaces of simple events

Lesson: Compound probability

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