Aspinner 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

Spinning an odd, or spinning an even

Spinning 4, or not spinning 4

Spinning 1, 2, 4, or spinning 3, 5, 6, 7

Step-by-step explanation:

7! = 7×6×5×4×3×2

3! = 3× 2

as 7! is multiple of 3! because 7! contains 3! that is 3× 2 as factor

so 7! /(3! ) = 7× 6× 5× 4

= 42 × 20

= 840

its b) 840✌✌✌

dhruv⭐