A recent Gallop poll showed that 672 of 1019 adults nationwide think that marijuana should be legalized. a) Find the margin of error that corresponds to a 95% confidence interval.

the margin of error is 0.029

Step-by-step explanation:

The computation of the margin of error is as follows;

Point estimate = sample proportion

= x ÷  n = 672 ÷ 1019 = 0.659

Now

= 1 -

= 1 - 0.659

= 0.341

= Z_0.025 = 1.96

Now

a) Margin of error = E is

Hence, the margin of error is 0.029

answer: 12

step-by-step explanation: