Carl cornfield has been wondering whether he should plant white corn this year he decides to sample 100 customers 38% say they would purchase white corn carl wants to have a 95% confidence interval for this proportion

The equation respenting the left table is

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Ineed me i stuck and i don’t want to get it wrong