Which pair of events is dependent?
A. roll a fair cube;flip a coin
B. flip a coin;flip the coin again
C. select a card from a deck , then keep it ;select another card
D. select a card from a deck , then put it back ;select another card

Question

Which pair of events is dependent? 
A. roll a fair cube;flip a coin
B. flip a coin;flip the coin again
C. select a card from a deck , then keep it ;select another card
D. select a card from a deck , then put it back ;select another card

anonymous · Answer

C

mathmale · Answer

What does "dependent" mean in probability? 

What does "fair cube" mean?  If the cube is fair, how does the probability of obtaining a 1 affect the probability of obtaining a 5, if one affects the other at all?

mathmale · Answer

How are C and D different, and how do you think this difference impacts upon the answer you're looking for?