# confidence interval for the proportion difference

A Pew research study recently randomly selected two groups of people, men and women and asked them if they agree with the following statement: "It s morally wrong for a married person to have an affair" Among 386 women, and 347 agreed with the statement. Among 359 men surveyed, 305 agreed with the statement.

Construct a 95% confidence interval for the difference between two proportions.

a) Label all of the variables

b) Write out the margin of error (E) with all variables identified

c) Calculate E

d) Correctly state the 95% confidence interval

https://brainmass.com/statistics/statistical-theory/confidence-interval-proportion-difference-566146

#### Solution Preview

1) the variables in this question is proportion of women who agree with the statement and proportion of men who agree with the statement.

2) ...

#### Solution Summary

The solution provides steps how to find out the confidence interval for the proportion difference.