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:

2.1 . 4.7 all u gatta do is put this into google
The answer would be 199/37 or 5 14/37
Answer:
See attachment for answers
Step-by-step explanation: