Question

A bag contains 20 marbles. 5 are blue and the rest are red. What is the probability of randomly choosing a red marble?

Answer 1

Answer:

A bag contains 20 marbles. 5 are blue and the rest are red.

=> The number of red marbles in the bag: 20 - 5 = 15

=> The probability of randomly choosing a red marble: P = 15/20 = 0.75

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