What am I doing wrong? The answers that I wrote were counted wrong.

Cal According to a report on sleep deprivation by the Centers for Disease Control and Prevention, the P. = 0. 076 percent of California residents who reported insufficient rest or sleep during each of the preceding 30 m = 11880 days is 7 6%, while this percent is 8. 1% for Oregon residents. These data are based on simple random samples of 11880 California and 4891 Oregon residents. Oregon Po = 0. 081 Calculate a 95% confidence interval for the difference between the proportions of Californians and no = 489) Oregonians who are sleep deprived. Round your answers to 4 decimal places. Make sure you are using California as Group A and Oregon as Group B. Lower bound: - 0.1275 Upper bound: 0 . 1175 Question 12 0/4 pts 5 5 ( PC - PO ) + 194 x ] PC ( 1 - PC ) Po ( 1 - PO ) n ( 0.076 - 0. 081 ) + 1. 94 1 0.076 (1-0.074) 0. 081 ( 1 - 0. 081 ) + + = 01 1 175 11880 41891 - 1 . 005 + 1, 94 x 0. 0425 = - = - 0. 1275 TRY + 0. 1175 - 0. 1275