<h2>B is the answer</h2><h2 />
Step-by-step explanation:
Answer:
1509
Step-by-step explanation:
We know that, formula for number of samples is,

When nothing is given, we take
and we know that
.
SE = 0.03 (the true proportion should remain withing 3%)
Putting the values we get,


Therefore, the sample required to estimate the true proportion to within 3 percentage points is 1509.
Answer: you are correct
Step-by-step explanation:
Answer:
(X, y) =(3,-3)
Step-by-step explanation:
Use second equation
Apply to the first