A survey of 78 bicyclists revealed that 51 of them have driven under the influence of alcohol.What is the percent margin of error for the estimated proportion of bicyclists who drive under the influence of alcohol?

1) n = ______

2) p = ______(round your answer to three decimal places)

3) (1-p) = _______(round your answer to three decimal places)

Use the decimal approximations above to calculate the margin of error using the Error formula

4) Error in decimal form = _________(start with the sign +/- ; round to three decimal places)

5) Error in percent form = ________(start with the sign +/- ; round to the nearest tenth of a percent; don't forget to add % at the end of your number)