3 In a bag there are only red, blue and green counters.
red counters: blue counters: green counters = 1:2:5
A counter is taken at random from the bag and then replaced.
This is repeated a total of 200 times.
(a) Work out an estimate for the number of times a green counter was taken from the bag.
(2)
red counters: blue counters: green counters = 1:2:5
A counter is taken at random from the bag and then replaced.
This is repeated a total of 200 times.
(a) Work out an estimate for the number of times a green counter was taken from the bag.
(2)