From an urn containing 15 white, 10 red and 5 blue balls. one ball is drawn at random.
| June 20, 2021 | education
From an urn containing 15 white, 10 red and 5 blue balls. one ball is drawn at random. What is the probability of a white ball appearing?
There are 15 white balls, and the total number is 30. The probability of a white ball appearing is 15/30 = 0.5 = 50%.
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