An urn contains 75 marbles: 35 are blue, and 25 of these blue marbles are swirled. The rest of them are red, and 30 of the red ones are swirled. The marbles that are not swirled are clear. What is the probability of drawing:
- A blue marble from the urn?
- A clear marble from the urn?
- A blue, swirled marble?
- A red, clear marble?
- A swirled marble?
Solution
