need a & b

Check My Work Video Consider the hypothesis test below. Ho: P 1 - P2 _ 0 Ha: P 1 - P2> 0 The following results are for independent samples taken from the two populations. Sample 1 Sample 2 n 1 = 200 n 2 = 300 P 1 = 0.25 P 2 = 0.16 Use pooled estimator of p. a. What is the value of the test statistic (to 2 decimals)? 2.3 b. What is the p-value (to 4 decimals)? Use z-table. c. With a = .05, what is your hypothesis testing conclusion? Select X Hide Feedback Incorrect