What is the missing interval in the pattern for a major scale?

W W H W __ W H

W

H

H

rest

W W

The missing interval in the pattern for a major scale is a whole step.

In a major scale, the pattern of intervals is as follows:

Whole step (W)
Whole step (W)
Half step (H)
Whole step (W)
Whole step (W)
Whole step (W)
Half step (H)

Based on this pattern, the missing interval would be a Whole step (W)