Probability

A fair, 6-sided dice is thrown 120 times.

Roughly how many times would you expect the number 5 to come up?

• 6

• 10

• 12

• 20

A fair, 6-sided dice is thrown 18 times.

Roughly how many times would you expect the number 6 to come up?

• 1

• 3

• 6

Sam’s pencil case contains 3 red, 2 blue and 5 black pens.

He takes a pen out without looking then puts it back 100 times.

Roughly how many times would you expect him to pick up a red pen?

• 10

• 20

• 30

• 50

A box contains 12 red, 20 green and 8 yellow sweets.

One is picked out at random then placed back 80 times.

Roughly how many times would you expect him to pick up a yellow sweet?

• 8

• 12

• 16

• 24

How many senior boys play football and wrestle?

• 9
• 12
• 18
• 39

How many senior boys play football but do not wrestle?

• 9
• 12
• 18
• 104

How many students chose only Spanish?

• 3

• 18

• 104

• 89

How many students dive?

• 4

• 7

• 18

• 12

The venn diagram shows which sports are played by a class of students.

What is the probability of a student playing soccer but not tennis?

• 9

• 14

• 3

• 3/10

The venn diagram shows the number of people in a group of friends who have brown hair and green eyes.

What is the probability of a friend having both brown hair and green eyes?

• 7/11

• 5/11

• 6/11

• 3/11