Answer:
50%?
Step-by-step explanation:
The domain of the question you are asking is (-∞,∞)
5+2+3=10 total snacks
5/10 or 1/2 are yogurts so 1/2 is the chance everyday
1/2×1/2×1/2=1/8 this is the chance Stephen gets yogurt 3 consecutive days so 1-1/8=
7/8 chance he doesn't get yogurt three consecutive days