Independent Events

What does it mean for two events to be independent of each other?

• What happens in the second event depends on what happens in the first.

• The result of the first event has no effect on the result of the next event.

Tags

CCSS.HSS.CP.A.2

CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.4

CCSS.HSS.CP.B.8

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

Tags

CCSS.7.SP.C.5

If you choose from the following M & M colors, what is the probability that you choose blue? (Simplify your answer)

5 green

6 yellow

8 blue

7 brown

• 8/26

• 4/13

• 8/25

• 1/3

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.RP.A.2

RED + BLUE =

what color do they make?

• 
• 
• 
• 

What is the probability of the arrow stopping on “X” on the first spin and “F” on the second spin?

• 5/6
• 1/36
• 1/3
• 1/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.  P(green, black)

• 3/20
• 1/4
• 3/31
• 2/27

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

What is the first official day of summer for 2020?

• May 25

• September 1

• June 20

• August 8

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

You roll a pair of number cubes (dice). Which equation represents how to find the probability of rolling a 2 and an odd number?
P(2, then odd)

• ⅙ x ½ = 1/12
• ⅙ + ½ = 2/8
•  ½ x ½ = 1/4
• ⅓ + ½ = 5/6

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

Name the movie: The main character bought a chocolate bar and won a golden ticket.

• Jurassic World

• Charlie and the Chocolate Factory

• Beauty and the Beast

• Avengers: End Game

Tags

CCSS.RL.2.6

CCSS.RL.8.3