Mathematics Homework Help

1.Suppose we want to build an interval estimate for the
proportion of Indiana households who live in owneroccupied houses with a 95% confidence level and a margin
of error of ±0.02 (two percentage points). What is the
minimum sample size to achieve this margin of error? Use
0.70 for the planning value.
a)  1537
b)  1801
c)  2017
d)  240