3×1=3+3=6 and that your answers
Hey Mate,
you can see the table . it clearly says that on Thursday number of tickets sold is 56 which is greater than 50
You only need to consider the situations where 10 or 11 of the babies are girls, then subtract those probabilities from 1. This will give probability that any other number up to 9 of the babies are girls.
Use binomial theorem.

n = 11
k = 10,11
p = 1/2