Answer:
the set of all real numbers
Step-by-step explanation:
f(x) = 3X + 9 is a polynomial, and so both the domain and the range are "the set of all real numbers."
None of your answer choices match this. Check with your teacher if you can.
Answer:
The probability distribution for x:"number of children per family for this income group" is:
Step-by-step explanation:
With the information given we have the relative frequencies of each category.
We know:
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:
Tyler's brother has $250
Step-by-step explanation:
180+70 =250