Make a list to show the sample space of this compound event: one spin of the top spinner and one spin of the bottom spinner. two spinners. spinner 1 is divided into two equal parts and labeled a and b with the arrow pointing to a. spinner 2 is divided into four equal parts and labeled 1, 2, 3, and 4 with the arrow pointing to 2. spinner 1: a b pointing on a spinner 2: 1 2 3 4 pointing on 2 {a, b, 1, 2, 3 ,4} {a1, a2, a3, a4, b1, b2, b3, b4} {a1, a2, a3, a4, b1, b2, b3, b4, ab1, ab2, ab3, ab4} {aa, ab, ba, bb}