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Mathematics for IGCSE & O level - Probability (Section 7 - No. 38)
A bag contains 6 red and 9 blue marbles. What is the probability of picking a red marble?
2/3
3/5
2/5
1/2
Forklaring
There are 6 red marbles out of 15 total. 6/15 reduces to 2/5.
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