Question 5 of 13 - /2 View Policies Current Attempt in Progress If random samples of the given sizes are drawn from populations with the given proportions, find the mean and standard error of the distribution of differences in sample proportions, P1 - P2. n1 = 130 from p1 = 0.5 and n2 = 180 from p2 = 0.8 Round your answers to three decimal places, if necessary. mean = i standard error = i eTextbook and Media