A bag contains n counters. One counter is blue and one is red.
Two counters are taken at rando...
Mathematics, 04.04.2020 18:27 mathlady12
A bag contains n counters. One counter is blue and one is red.
Two counters are taken at random from the bag.
a, express in terms of n, the probability that a counter of each colour is taken. Give as a fraction in its simplest form.
b, the probability that a counter of each colour is taken is 0.125
How many red counters are in the bag?
Answers: 1
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