A group of college freshman are targeted with a voter registration advertisement Another group of freshman are not targeted The table below shows how many of these freshman registered to vote What is the odds ratio for freshman targeted with the advertisement registering to vote against freshman not targeted with the advertisement registering to vote Round to two decimal places Targeted with advertisement Not targeted with advertisement Total Registered to vote Did not register to vote 103 78 181 36 64 100 Total 139 142 281