Since

, we know that

follows a Poisson distribution with parameter

.
Now assuming

denote the mean and standard deviation of

, respectively, then we know right away that

and

.
So,
Answer:
Equivalent expression of
is, 
Step-by-step explanation:
The distributive property says that:

Given the expression: 
Apply the distributive property:

Simplify:

Therefore, the equivalent expression of
is, 
Answer:
Step-by-step explanation:
2%
[tex]\begin{gathered} C=\text{ 72000 + 18x} \\ R=\text{ 27x } \\ \\ R\text{ }
Therefore, the company loses money if it sells less than 8000.
The answer is D.