Probability Practice

A bag contains 5 blue marbles, 4 red marbles, and 3 orange marbles. Mrs. Cox picks one without looking, replaces it and picks another one. What is the probability that she picks two that are not orange? 

• 9/16
• 3/4
• 9/144
• 5/16

You have a bag of 17 marbles.  Four are blue, 6 are green, 2 are red, and the others are yellow.  What is the probability of drawing a green marble, putting it aside, and then drawing another green marble?

• 15/136
• 30/289
• Other

In the game that Tony is playing, there is a 1/8 chance the spinner will land on red and a 3/8 chance that the spinner will land on yellow.   What is the probability that Tony will NOT spin red, then will spin red?

• 7/64
• 7/16
• Other

Tags

CCSS.HSS.CP.B.7

A number cube is rolled twice. What is the probability of getting a 6 on the first roll, then a number less than 5 on the second roll? 

• 2/3
• 5/36
• 1/9
• 1/36

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Tags

CCSS.HSS.CP.A.1

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Tags

CCSS.HSS.CP.A.1

Identify the shaded area...

• A

• B

• A'

• B'

Tags

CCSS.7.SP.C.8B

Left Pocket (L) = {pencils, erasers, pens}
Right Pocket (R) = {gloves, paper, coins, phone}
What is L ∩ R?

• ∅
• {pencils, erasers, pens}
• {gloves, paper, coins, phone}
• {pencils, erasers, pens, gloves, paper, coins, phone}

Tags

CCSS.HSS.CP.A.1

What type of set is denoted as either { } or ∅?

• Universal Set
• Empty (or Null) Set
• Disjointed Set
• Complement of a Set

Tags

CCSS.HSS.CP.A.1

What does this symbol ( ∩ ) represent in set theory?

• Union
• Intersection
• Disjointed
• Subset

Tags

CCSS.HSS.CP.A.1