Probability of Independent and Dependent Events

Tom will randomly select from a treat bag containing 6 lollipops and 4 gum balls. Tome will select a treat, replace it, and then select a second treat.

• Independent

• Dependent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.8

Sue will randomly select from a treat bag containing 6 lollipops and 4 gum balls. Sue will select a treat, not replace it, and then select a second treat.

• Independent

• Dependent

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.B.6

CCSS.HSS.CP.B.8

What is the probability when Tom will randomly select from a treat bag containing 6 lollipops and 4 gum balls. Tom will select a 1 lollipop, replace it, and then select a 1 gum ball.

• 1/24

• 1/90

• 6/25

• 1/10

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the probability when Sue will randomly select from a treat bag containing 6 lollipops and 4 gum balls. Sue will select a treat, not replace it, and then select a second treat. Sue will select a gum ball then a lollipop.

• 1/24

• 4/15

• 1/100

• 2/10

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Two fair coins are flipped at the same time. What is the probability that both with display heads?

• 1/2

• 1/4

• 2%

• 1%

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

Two fair coins are flipped at the same time. What is the probability that both with display heads?

• Independent

• Dependent

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

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

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

You are at the movies with your friends and decided to buy a small bag of gummy bears. There are 4 red bears, 5 green bears, and 3 yellow bears in the bag. What is the probability that you will get yellow gummy bears and then red gummy bears?

• The probability is 3/11

• The probability is 1/11

• The probability is 3/132

• The probability is 3/12

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A spinner consists of two A’s, three B’s, and three C’s. What is the probability of spinning a B and then an A?

• ²/₈

• 3/28

• ³/32

• ¹/₄

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

A box contains 3 black pens, 7 blue pens, and 5 red pens. Without looking, P(red and black)

• 1/14

• 1/15

• 2/15

• 3/15

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8