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: 1. A Please give me a thanks and a brainly
Step-by-step explanation:
Answer:
the answer is 60 x 10^3 in scientific notation
Step-by-step explanation: