An experiment involves tossing a pair of dice.

x = green dice outcome

y = red dice outcome

Describe Sample space.

A. listing elements (x,y)

$\displaystyle x = 1,2,3,4,5,6$

$\displaystyle y = 1,2,3,4,5,6$

B. rule method

$\displaystyle x \cup y$ = {x | ????}

Is this on the right track?