FCP, Tree Diagrams, Venn Diagrams, Odds

A box contains 3 brand A batteries and 7 brand B batteries. 30% of brand A batteries are faulty and 40% of brand B batteries are faulty. A battery is selected at random and then checked to see if it is faulty. What is the probability that a faulty brand B battery is selected?

• 0.28

• 1/4

• 0.42

• 0.21

Tags

CCSS.HSS.CP.B.6

A box contains 3 brand A batteries and 7 brand B batteries. 30% of brand A batteries are faulty and 40% of brand B batteries are faulty. A battery is selected at random and then checked to see if it is faulty. What is the probability that a not faulty brand A battery is selected?

• 0.21

• 0.09

• 0.28

• 0.25

Tags

CCSS.HSS.CP.B.6

James starts to draw a diagram for rolling two dice and recording whether a 6 is rolled or not. What is the probability of rolling no sixes?

• 25/36

• 10/12

• 2/12

• 2/36

Tags

CCSS.7.SP.C.8B

A bag contains 3 lemons and 2 limes. A piece of fruit is taken from the bag and not put back. Then a second piece is taken. What is the probability of taking exactly 1 lemon?

• 12/20

• 6/20

• 2/20

• 18/20

How many senior boys play football and wrestle?

• 9
• 12
• 18
• 39

Tags

CCSS.HSS.CP.A.1

How many senior boys play football but do not wrestle?

• 9
• 12
• 18
• 104

Tags

CCSS.HSS.CP.A.1

How many students do not snowboard?

• 21
• 22
• 28
• 29

Tags

CCSS.HSS.CP.A.1

Identify the shaded area...

• A

• B

• A'

• B'

Tags

CCSS.7.SP.C.8B

Identify the shaded area...

• A∩B

• A∪B

• A'∩B'

• A'∪B'

Tags

CCSS.HSS.CP.A.1

How many total outfit options are represented?

• 12
• 22
• 3