Question

A spinner has 7 equal sections which are numbered from 1-7. Which of the following are complementary events? (check all that apply)
Spinning an odd number, or spinning an even number
Spinning 4, or not spinning 4
Spinning 1, 2, 3, or spinning 4, 5, 6
Spinning 1, 2, 4, or spinning 3, 5, 6, 7
What are complementary events?

Answer 1

2,3,and 4