Answer: 11 people have a brother in the left circle, 6 people have neither in the center circle, and 9 people have a sister in the far right circle.
Answer:
You can apply for Civil services, Statistical services, and the Economic services
Step-by-step explanation:
Source: https://www.tutoreye.com/blog/what-is-the-scope-of-statistics
Answer:
194
Step-by-step explanation:
Recall 2 rules to solve this easily:
1. 
2. 
<em>Now, if we let a = 7 and
, we can say the problem is basically of the form:</em>

This can be simplified using the rules:

Now we can plug the values of a and b we initially thought of (remember though
):

194 is the final answer.