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WorksheetsProbability Trees and Venn Diagrams
Total questions: 19
Worksheet time: 10mins
Is this formula true or false?
True
False
Which two of these are independent events?
Not studying and failing an exam
It will rain this week and it will be sunny next week
Landing a coin on heads then landing a coin on tails
How sunny it is and how much suncream you use
Which of these are dependent events?
Committing a crime and going to prison
Buying a lottery ticket and winning the lottery
Drawing a red card then landing heads on a coin
Not brushing your teeth and developing a cavity
Fill in the probability for the branch circled in blue
5/10
2/10
4/10
3/10
The ball is replaced after each turn. Find the probability circled
4/10
6/9
2/10
6/10
To find the probability of choosing a red ball AND landing a coin on heads we would...
Multiply the probabilities
Divide the probabilities
Subtract the probabilities
Add the probabilities
The sum of the probabilities of all outcomes must equal...
1
1/2
10
100
To find the probability of rolling a 6 OR rolling a 2 we would...
Multiply the probabilities
Divide the probabilities
Add the probabilities
Subtract the probabilities
If the probability of a coin landing on heads is 0.4, what is the probability of it landing on tails?
0.6
0.4
0.2
0.5
How many students do not take part in athletics or swimming?
8
90
17
35
What is the probability of the 1st marble being green?
5/8
5/7
3/8
3/7
The marbles are not replaced after each turn. Find the missing probability (?)
2/8
3/8
5/7
3/7
Work out the probability of selecting a green marble then a red marble
15/56
3/28
37/56
3/56
What is the area shaded in blue?
Complement
Union
Intersection
Interior
The lined sections represent...
The union
The intersection
The complement
This represents...
A and B (intersection)
A or B (union)
Not A (complement)
Not B (complement)
The purple sections represent...
The union of A and B
The complement of A
The intersection of A and B
The complement of B
This represents...
The intersection
The complement
The union
How do you feel on this topic?
Red - I need more work on this!
Amber - I feel okay with this!
Green - I am quite good at this!
Blue - I have got this!
