8 Maths Probability

Probability is ...

• the chance that some event will occur.
• a game that involves coins.
• a guarantee.

What is the P( not purple) on this spinner?

• 2/5

• 1/5

• 4/5

• 3/5

Tags

CCSS.7.SP.C.5

Find the probability of rolling a 7 on a single die.

• 1/6
• 7/6
• 0
• 7/7

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The letters that form the word ALGEBRA are placed in a bowl. What is the probability of choosing a letter other than “A”?

• 2/7

• 1/6

• 5/7

• 25/26

Tags

CCSS.7.SP.C.5

The chart below represents the number of marbles in a jar.

P(green) =

• 5/19

• 1/5

• 5/14

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

The probability of it raining today is 30%.  What is the probability that it will NOT rain?

• 30%
• 70%
• 100%
• 0%

Tags

CCSS.7.SP.C.5

How many senior boys play football and wrestle?

• 9
• 12
• 18
• 39

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

CCSS.7.SP.A.1

How many senior boys play football or wrestle?

• 9
• 21
• 30
• 39

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

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.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8

In a box are 3 red pens, 4 black pens and 2 green pens. You pick a pen at random and then put it back. Your friend then picks a pen. What is the probability you both pick the same clour?

• 29/81

• 9/81

• 3/9

• 2/9

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7

CCSS.7.SP.C.8