GCSE (1 9) Probability
GCSE
Trees(1Practice
9) Probability
Questions
GCSE
Trees
and
(1Practice
9)
Solutions_removed.pdf
Probability
Questions
Trees
and
Practice
Solutions_removed.pdf
Questions and Solutions_removed.pdf
Name: ___________________________
GCSE (1 – 9)
Probability Trees
Instructions
• Use black ink or ball-point pen.
• Answer all questions.
• Answer the questions in the spaces provided
– there may be more space than you need.
• Diagrams are NOT accurately drawn, unless otherwise indicated.
• You must show all your working out.
Information
• The marks for each question are shown in brackets
– use this as a guide as to how much time to spend on each question.
Advice
• Read each question carefully before you start to answer it.
• Keep an eye on the time.
• Try to answer every question.
• Check your answers if you have time at the end
GCSE (1 9) Probability
GCSE
Trees(1Practice mathsgenie.co.uk
9) Probability
Questions
GCSE
Trees
and
(1Practice
9)
Solutions_removed.pdf
Probability
Questions
Trees
and
Practice
Solutions_removed.pdf
Questions and Solutions_removed.pdf
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GCSE (1 9) Probability
GCSE
Trees(1Practice
9) Probability
Questions
GCSE
Trees
and
(1Practice
9)
Solutions_removed.pdf
Probability
Questions
Trees
and
Practice
Solutions_removed.pdf
Questions and Solutions_removed.pdf
1 Tina has two bags of counters, Bag A and Bag B.
There are 5 red counters and 3 blue counters in bag A.
There are 4 red counters and 5 blue counters in bag B.
Tina takes at random a counter from each bag.
(a) Complete the probability tree diagram.
Bag A Bag B
Red
Red
Blue
Red
Blue
Blue
(2)
(b) Work out the probability that Tina takes two blue counters.
(2)
(Total for question 1 is 4 marks)
GCSE (1 9) Probability
GCSE
Trees(1Practice
9) Probability
Questions
GCSE
Trees
and
(1Practice
9)
Solutions_removed.pdf
Probability
Questions
Trees
and
Practice
Solutions_removed.pdf
Questions and Solutions_removed.pdf
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