Independent and Dependent Probability

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Clare picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

Tags

CCSS.7.SP.C.5

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.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

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?

• 1/4
• 1
• 1/8
• 1/2

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Two cards are drawn from a deck of 52 cards and then replaced. Find the probability that the first card is a Queen, and the second card is a Diamond?

• 2/52

• 1

• 13/52

• 1/52

A number cube is rolled and a coin is tossed. What is the probability of rolling a number greater than 4 and tossing tails?

• 1/6
• 1/3
• 1/2
• 1/4

Tags

CCSS.6.RP.A.3C

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, replacing it, and then drawing a gray marble?

• 1/9

• 1/27

• 1/6

• 2/9

A jar contains 4 white chips, 5 purple chips, and 1 black chip. Chips are selected randomly one at a time, and are not replaced.
P(white, then purple, then black)

• 1/36
• 2/39
• 5/41
• 6/43

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. What is the probability that Joe will choose a red marble, not replace it, and then draw another red marble?

• 2/5

• 1/21

• 4/25

• 1/7

There are 5 red roses, 3 yellow roses, and 8 white roses in a tray. If Stephanie picked 2 roses one after the other without replacing, then what is the probability of picking a white rose first and a red rose next?

• 1/6
• 5/6
• 1/3
• 2/3