Mathematics (AS & A Level) · May / June 2025 · Paper 52 · Question 3
9709
As printed in the paper
The question as text
A bag contains 4 blue marbles and 12 red marbles. One marble is selected at random from the bag. If this marble is blue, it is replaced in the bag, but if it is red, it is not replaced. A second marble is now selected at random from the bag.
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
3(a)[2]
3(b)[3]
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.