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:

Answer:
What do you need help with, comment
The fewest number of expressions is 3.
The answer is easy
So we need to fund m2NLM
The answer is c
Answer:
B
Step-by-step explanation:
Every (x,y) pair is equal to each other, thus making them proportional :)