Use the information about each of the following samples to compute the confidence interval to estimate p. a. n=41 and p^=0.59; compute a 90% confidence interval. b. n=291 and p^=0.79; compute a 95% confidence interval. c. n=1,143 and p^=0.43; compute a 90% confidence interval. d. n=92 and p=0.46; compute a 88% confidence interval. Appendix A Statistical Table (Round your answers to 3 decimal places, e.g. 0.253.)