A sample of 100 observations from the first population indicated that x, is 70

A sample of 100 observations from the first population indicated that x, is 70. A sample of 150 observations from the second population revealed X2 to be 90. Use the .05 significance level to test the hypothesis. 
Ho: p1 ? p2 and H1: p1 > p2

a. state the decision rule

b. compute the pooled proportion

c compute the value of the test statistic

d. what is your decision regarding the null hypothesis?