1. An urn contains ?ve red, three orange, and two blue balls. Two balls are randomly selected. What is the sample space of this experiment? Let X represent the number of orange balls selected. What are the possible values of X? Calculate P{X = 0}.
2. Suppose a die is rolled twice. What are the possible values that the following random variables can take on?
(a) The maximum value to appear in the two rolls.
(b) The minimum value to appear in the two rolls.
(c) The sum of the two rolls.
(d) The value of the ?rst roll minus the value of the second roll.