Dissatisfied workers in two companies ...

     Find the sample   proportions and test statistic for equal proportions. Is the decision close?   Find the p-value        

 a. Dissatisfied workers in two   companies: x1 = 40, n1 = 100, x2 = 30, n2 = 100, a = .05, two-tailed   test.   

     b. Rooms rented at   least a week in advance at two hotels: x1 = 24, n1 = 200, x2 = 12, n2 = 50, a   = .01, left-tailed test.     

       c. Home equity loan   default rates in two banks: x1 = 36, n1 = 480, x2 = 26, n2 = 520, a = .05,   right-tailed test.