5.03 Probability of dependent events
Interactive practice questions
In a lottery there are $40$40 balls.
What is the probability of a particular ball being drawn first?
A ball is discarded after it has been drawn. If ball number $13$13 is drawn on the first turn, what is the probability of ball number $5$5 being drawn next?
Is the probability of each successive ball drawn the same as the probability of the first ball drawn?
Yes
No
Are the draws dependent or independent events?
Dependent
Independent
In a memory game, $19$19 pairs of identical cards are randomly placed face down. When someone has a turn, they turn one card over and then turn a second card over to try to find an identical pair. If an identical pair are found, they are removed from the pack.
A standard deck of cards is shuffled and placed face down. Jimmy attempts to draw five cards randomly so as to get a royal flush (ten, Jack, Queen, King, Ace all of the same suit) .
Select the option that shows a pair of dependent events: