Answer:
please mark me as brainlest
Step-by-step explanation:
B is the answers for the 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

=> 
=> 
4/5 + a = 1
=1/5
*try using cymath it helps!
Answer:
6
Step-by-step explanation:
46+4x=-6+76
46+4x=70
4x=24
x=6