3. [edexcel gcse(9-1) mock set 2 spring
2017 2h q25) there are some red
counters and some white counters in a
bag. at the start, 7 of the counters are
red, the rest of the counters are white.
alfie takes at random a counter from
the bag. he does not put the counter
back in the bag. alfie then takes at
random another counter from the bag.
the probability that the first counter
alfie takes is white and the second
counter alfie takes is red is
21
80
