Conditional Probability Venn Diagrams, Two Way Tables, Tree Diagram

How many girls like Science?

• 50

• 15

• 27

• 17

How many boys like English?

• Cannot calculate

• 18

• 20

• 38

How many students were surveyed in total?

• 106

• 100

• 128

• 90

What is the probability of tossing heads and tails in that order?

89 people were surveyed. The Venn diagram shows the number of people that play AFL football (F), soccer (S) and golf (G). How many people play golf AND football?

• 21

• 7

• 28

• 5

Out of the 89 people surveyed, what probability of people played only soccer?

• 0.11

• 0.16

• 0.04

• 0.22

Out of the 89 people surveyed, how many people did not play AFL (F), soccer (S) or golf (G)?

(a)  

A coloured ball was drawn out of a bag with replacement. What is the probability of drawing a red ball twice?

• 1/9

• 1/3

• 2/9

• 2/3

What is the probability of drawing a the same coloured ball out twice in a row (refer to the tree diagram)?

• 1/3

• 1/9

• 1/2

• 2/3

What probability of students like Maths?

• 0.26

• 0.54

• 0.46

• 0.38