Answer:
See picture below
Explanation:
For the orange column:
The total birth = 8 + 125
= 133
Probability of Twins born =

= 0.06
Probability of Single child born =

= 0.94
For the blue column:
The total birth = 26+ 841
= 867
Probability of Twins born =

= 0.03
Probability of Single child born =

= 0.97