In each of the following cases, compute 95 percent, 98 percent, and 99 percent confidence intervals for the population proportion p.

(a) pp^ = .8 and n = 117 (Round your answers to 3 decimal places.)

(b) pp^ = .9 and n = 325. (Round your answers to 3 decimal places.)

(c) pp^ = .4 and n = 111. (Round your answers to 3 decimal places.)

(d) pp^ = .7 and n = 77. (Round your answers to 3 decimal places.)