Critical values for quick reference during this activitv. Condence level Critical value 3* = 1.045 3* = 1.960 3* = 2.5% Start In a poll of 1000 randomly selected voters in a local election, 518 voters were in favorotre department bond measures. What is the sample proportion ? Ex: 0.123 1What is the margin of error m for the 99% condence level? 3:10.123