IMathAS-libretexts

Select the conditions for the sampling distribution of the difference of two proportions.

1) each proportion does not follow a normal model and 2) the two samples are independent of each other
1) each proportion separately does not follow a normal model and 2) the two samples are dependent of each other
1) each proportion separately follows a normal model and 2) the two samples are independent of each other
1) each proportion separately follows a normal model and 2) the two samples are dependent of each other