Andrew has 8 red marbles and 2 blue marbles in a bag. He pulls out a blue marble without looking and sets it on a table. Then, he randomly pulls out another marble.

Are these events dependent or independent?

A.
dependent

B.
independent

Question

Andrew has 8 red marbles and 2 blue marbles in a bag. He pulls out a blue marble without looking and sets it on a table. Then, he randomly pulls out another marble. 

Are these events dependent or independent?
 
 A.
dependent
 
 B.
independent

anonymous · Answer

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praxer · Answer

I think it is a dependent event cause a blue ball is drawn and placed apart first. So, it will surely change the result of the probability later.

 As the definition states dependent events are those in which the probability of an event depends on the previous event.

I think you are correct..@isabell2003 .......:)