Which statement below is true about a 95% confidence interval where the population mean is contained within the interval of 3.2 to 3.8?

Answer choices:

The width of the interval is .6

The sample mean is 1.055

The margin of error is .6

The CI of 95% uses 1.960

In a survey done about voting and gender, it was found that 93 of 200 males voted in a recent election while 124 of 220 females voted. What is the difference between the proportion of females who vote and the proportion of males who vote? That is, which is a 95% confidence interval for the difference?

Answer choices:

.225 to .402

.095 to .282

.044 to .233

.003 to .194