Independent vs Dependent Events

A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?

• Independent

• Dependent

Two marbles are drawn from a container in such a way that the first marble drawn is replaced before selecting the second marble. Does the outcome of the first draw affect the outcome of the second?

• Yes

• No

Is the event INDEPENDENT or DEPENDENT?
The spinner is spun twice.  What is the probability that it lands on red first and then blue?

• Independent

• Dependent

Is the event INDEPENDENT or DEPENDENT?
Amy plays card games.  She picks a card at random.  Then without putting the first card back, he picks a second card at random.

• Independent

• Dependent

Which is the dependent variable?

• x

• y

• -1/2

• 4

What is the probability of rolling an even number on the first roll of a number cube and rolling an odd number on the second roll? Are these events independent or dependent?

• Independent

• Dependent

Determine if the following events are dependent or independent.
Anna flips a coin two times.

• Independent

• Dependent

A marble bag contains 3 red marbles, 4 gray marbles, 6 white marbles, and 5 black marbles. What is the probability of randomly drawing a red marble and then a gray marble if the first marble is replaced?

• 1/9

• 1/27

• 1/6

• 2/9

The outcome of one event does not affect the outcome of the other event.

• independent event

• dependent event

The outcome of one event does affect the outcome of the other event.

• independent event

• dependent event