There we only red counters and
blue counters in a bag.
Joe takes at random a counter f...
Mathematics, 23.02.2021 15:30 aria0826
There we only red counters and
blue counters in a bag.
Joe takes at random a counter from
The probability that the counter is red is 0.65
Joe puts the counter back into the bag,
Mary takes at random a counter from the bag,
She puts the counter back into the bag
There are 78 red counters in the bag
How many blue counters are there in the bag?
2 marks
Answers: 2
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