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
Answer:
idk
Step-by-step explanation:
idk just responding
for points
Answer:
26
Step-by-step explanation:
22, 24, 26, 28, 28/ 31, 33, 34, 36, 40
Put them in order from least to greatest and find the median (middle) Everything to the right of the dash is the lower quartile, everything to the left is the higher quartile. Then find the median (middle) of the lower quartile.