Test the following claim about the difference between 2 populations proportions p1 and p2 for the given level of significance a and given sample statistic. Is it right-tailed, left-tailed, two-tailed. Assume the sample statistic are from independent random samples. claim p1 is not equal top2, a = 0.01, sample statistic x1 = 28, n = 69 and x2 = 43, n2 = 88. should the null be rejected.