No because the sum could also be irrational number which for example it could be square root of 9 or 49
Hope this helps answer your question
Answer:
The confidence interval is 
Step-by-step explanation:
From the question we are told
The sample proportion 
The margin of error is 
The confidence interval for p is mathematically represented as

=> 
=> 
Answer:
the slope is -9x
Step-by-step explanation:
whatever has x next to it is the slope