8. $298 4. 250 9. 28 6. 8.7 5. 465
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:

The answer will be 144 because if u had 72 × 2 u would get 11
Answer:
A. 13.5ft
Step-by-step explanation: