Answer:
d = - 3
Step-by-step explanation:
There's no expression
Answer:
16.
Step-by-step explanation:
Is there a picture?
Answer:

Hence, Option 'C' is true.
Step-by-step explanation:
Given the expression

Apply distributive law: 
Here: 
so the expression becomes

∵ 
Therefore,

Hence, option 'C' is true.
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, 