Probability of Independent and Dependent Events

A bag contains 9 red marbles and 3 green marbles, 9 black marbles and 6 orange marbles. What is the probability of selecting a green marble and then a black, without replacement?

• 3/20

• 1/26

• 3/31

• 2/27

Lucy has the spinner pictured and spins it twice in a row. What is the probability that she lands on blue and then on yellow?

• 1 / 16

• 1 ⁄ 6

• 1 ⁄ 8

• 3 ⁄ 4

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

Tags

CCSS.HSS.CP.A.5

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

Tags

CCSS.HSS.CP.A.5

A box contains 9 new light bulbs and 6 used light bulbs. Each light bulb is the same size and shape. Meredith will randomly select 2 light bulbs from the box without replacement. What is the probability Meredith will select a new light bulb and then a used light bulb?

• 1/54

• 2/15

• 6/25

• 9/35

You roll a number cube twice. The first time is a 3 and the second time is an even number.

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

Decide whether each event is independent or dependent.

Mary chooses a game piece from a board game, and then Jason chooses a game piece from the three remaining pieces.

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.5

Sarah picks 2 hats at random from 5 bill caps and 3 beanies. What is the probability that both are bill caps?

Tags

CCSS.HSS.CP.B.9