Mathematics for IGCSE & O level - Probability (Section 8 - No. 10) | ExamPlay

Mathematics for IGCSE & O level - Probability (Section 8 - No. 10)

A bag contains 7 red and 3 white marbles. What is the probability of selecting a white marble?

3/7

7/10

3/10

7/3

解释

There are 3 white marbles out of 10 total marbles.

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