A-Level
EDEXCEL
Mathematics & Further Mathematics
October 2018
QP-201810-Mathematics-US2 · Question 4
Question (excerpt):
12 4. A bag contains a large number of marbles, each of which is blue or red. A random sample of 3 marbles is taken from the bag. The random variable D represents the number of blue marbles taken minu…
12 4. A bag contains a large number of marbles, each of which is blue or red. A random sample of 3 marbles is taken from the bag. The random variable D represents the number of blue marbles taken minu…
Question Slice Image
Official Mark Scheme & Solution
The official answer and mark scheme are available to signed-in users in the PaperAce App.