I think it is the second one but I’m not for sure I’m really just doing this for points
Answer:34.2
Step-by-step explanation: I just did it in delta math
Answer:
√9/√13=5
√10-3r=r
Step-by-step explanation:
this must be the answer
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