Step-by-step explanation:
50-50+15d =125-50
15d = 75
15d/15=75/15
d=5
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:

75.99*0.0625=4.75 hope helps
The answer is 32
Hope this helps:D
have a great rest of a brainly day!
Answer:
1st
Step-by-step explanation: