There are only red marbles and green marbles in a bag.
There are 6 red marbles and 4 green marbles.
Mason takes at random a marble from the bag. He does not put the marble back in the bag.
Mason takes at random a second marble from the bag.
Complete the probability tree diagram.
Work out the probability that Mason takes two marbles the same colour.
Practise Edexcel IGCSE Maths Conditional Probability with exam-style questions for IGCSE Maths. 4 questions, matched to the Edexcel IGCSE Maths (4MA1) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
