# Probability and Statistics

### Exercises

#### Exercise 1

A jar contains 3 red, 2 blue, and 8 green marbles.

- If one marble is drawn at random from the jar, what is the probability that marble is green?
- If two marbles are drawn at random from the jar, with the first marble being replaced before the second is drawn, what is the probability that both marbles are green?
- If two marbles are drawn at random from the jar and the first marble is not replaced before the second is drawn, what is the probability that both marbles are green?
- What is the probability of you losing all your marbles?

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