Answer:
n = 200
p = 0.33.
Step-by-step explanation:
Binomial probability distribution
The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

In which
is the number of different combinations of x objects from a set of n elements, given by the following formula.

And p is the probability of X happening.
In this problem we have that:
33% of the births are Cesarean, so 
Sample of 200 births, which eans that, 
115 is n that’s the answer
Answer:
the answer . is 2y
Step-by-step explanation:
combine like terms
Answer:
(0,inf) {y║y>0}
Step-by-step explanation: