Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The number of singers is 
The sample size is 
The number the number of singers who are professional is k = 19
The proportion of professional singers is mathematically represented as

=> 
=> 
The percentage estimate of singers who are professional is


Answer:
Step-by-step explanation:
Answer:
The correct answer would be B
Step-by-step explanation:
(x,y)
y-x>-3
6-2>-3
4>-3
The answer would end up being 68.