Mathematics

Nikhil Velazquez

23 April, 11:21

The mayor of Gilbert, AZ, randomly selects 300 of its residents for a survey while the mayor of Camp Verde, AZ, randomly selects 100 of its residents and asks them the same question. Both surveys show that 15% of the residents of each town want Arizona to start using daylight savings like most of the rest of the country. If the confidence level for both surveys is 95% (z*-value 1.96), then which statement is true? The margin of error for the Camp Verde survey will be the size of the margin of error for the Gilbert survey. The margin of error for the Camp Verde survey will be between and the size of the margin of error for the Gilbert survey. The margin of error for the Camp Verde survey will be three times greater than the margin of error for the Gilbert survey. The margin of error for the Camp Verde survey will be between one and three times as great as the margin of error for the Gilbert survey. Mark this and return