Question

suppose that 3000 drivers in wakanda were randomly breath tested on 21 april 2019 and 116 were above the limit of 0.05 blood alcohol level. on 15 may 2019,4000 drivers were tested and 98 were above this level

1.1 what additional information would you require before trying to conclusion

Answer 1

The confidence level $\alpha$ is required to test the difference in proportions.