Answer:
I think it's A
Step-by-step explanation:
I tested the equation and it worked out and none of the others did.
I did 22 times the day then added twelve on all of the inputs and got the correct output. None of the other ones worked.
It’s either A or B
Pretty sure it’s A though
(-4 , 0)
Graph attached
Let be the random variable denoting the number of girls that are born. Then has a binomial distribution on babies and probability of getting a girl . The probability we want is
8 3/ 4
3 1/ 2
×
2 1 /2
=
7 × 5
2 × 2
35 /4
8 3 /4
use a calculator
hope this helps