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 answer to your question is below
Step-by-step explanation:
1) Given
2) Subtraction property of equality (because we are subtracting the same quantity on both sides).
3) Simplification
4) Subtraction property of equality ( because we are subtracting the same quantity on both sides).
5) Simplification
6) Multiplication property of equality (because we are multiplying the same quantity on both sides).
7) Simplification