1. Suppose that you observe the number of passengers arriving at a metro station on a shuttle bus that holds up to eight passengers. Describe the sample space?
2. Dice A pair of dice is rolled, and the sum of the numbers on the two uppermost faces is observed. What is the sample space of this experiment?
3. Selecting Balls from an Urn An urn contains balls numbered 1 through 9. Suppose that you draw a ball from the urn, observe its number, replace the ball, draw a ball again, and observe its number. Give an example of an outcome of the experiment. How large is the sample space?
4. Selecting Balls from an Urn Repeat Exercise 23 in the case that the first ball is not replaced?