Probability (Dependent and Independent 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

Tags

CCSS.HSS.CP.A.5

There are 6 red marbles, 5 green marbles, and 4 yellow marbles in a bag. If Joe picks 2 marbles one after the other without replacement, then what is the probability that both are red in color?

• 2/5
• 1/21
• 4/25
• 1/7

A stack of cards has 5 red cards and 8 blue cards. Sarah draws a card without

replacement, then draws another card. What is the probability that she will draw two red

cards?

• 28/39

• 5/39

• 20/169

• 1/156

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

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

Match the following

• When you replace the item

• OR means to

• Add

• Dependent

• When you DO NOT replace the item

• Dad joke Time!

  What does a cloud wear under his raincoat?

• multiply

• Independent

• Thunderwear😂

• AND means to

Tags

CCSS.HSS.CP.B.7