Question

There are two spinners containing only purple and orange slices.

Spinner A has 9 orange slices and 11 purple slices.
All the slices are the same size.
Spinner B has 8 orange slices and 8 purple slices.
All the slices are the same size.
Each spinner is spun.
List these events from least likely to most likely.
Event 1: Spinner B lands on a purple slice.
Event 2: Spinner B lands on an orange or purple slice.
Event 3: Spinner A lands on a white slice.
Event 4: Spinner A lands on an orange slice.
Least likely
Most likely
Event Event Event Event

Answer 1

Event 1: Probability is 8/16 = 1/2

Event 2: Probability is 1(certain to happen)

Event 3: Probability is 0(Impossible). There are no white slices in Spinner A

Event 4: Probability is 9/20