Question
A bag contains 4 red counters and 6 green counters.
Two counters are taken from the bag at random, without replacement.
[6 marks]
Two counters are taken from the bag at random, without replacement.
(a)Find the probability that both counters are red.
(b)Find the probability that exactly one of the counters is red.
(c)Find the probability that at least one of the counters is red.
Give each answer as a fraction in its simplest form.
This question has 3 parts. You don't have to get them all — each part you answer earns its own marks. Write them as (a) … ; (b) … , or just send the one part you worked out.
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