Math 240

ed Statistics home > r population proportions zyBooks catalog Confidence level Critical value 0.90 2* = 1.645 0.95 z* = 1.960 0.99 2* = 2.576 v Jump to level 1 1 v In a poll of 1000 randomly selected voters in a local election, 231 voters were 2 against school bond measures. 3 What is the sample proportion p? EX: 0.123 + 4 What is the margin of error m for the 90% confidence level? Ex: 0.123 1