Question 2 marilee spins the arrow on spinner 1 and then spins the arrow on spinner 2.  what is the sample space for this experiment? a.) {a1, a2, b3, b4} b.) {a1, b2, a3, b4} c.) {a1, a2, a3, a4, b1, b2, b3, b4} d.) {a1, b2}