AILS PREVIOUS ANSWERS BBUNDERSTAT12HS 7.4.005. MY NOTES ASK YOUR TEACHER If a 90% confidence interval for the difference of means , - , contains all negative values, what can we conclude about the relationship between j, and ja, at the 90% confidence level? O we can conclude that , cuz. O we can not make any conclusions. We can conclude that / > uz O we can conclude that My - #2. Need Help? Read ETAILS BBUNDERSTAT12HS 7.4.006. MY NOTES ASK YOUR TEACHER If a 90% confidence interval for the difference of proportions contains some positive and some negative values, what can we conclude about the relationship between p, and p, at the 90% confidence level? O we can not make any conclusions O we can conclude that Pi > P2. O we can conclude that pi s pa Need Help? matt MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER DETAILS BBUNDERSTAT12HS 7.4.017.NVA A random sample of 382 married couples found that 292 had two or more personality preferences in common. In another random sample of 572 married couples, It was found that only 26 had no preferences in common, Let p, be the population proportion of all married couples who have two or more personality preferences in common. Let p, be the population proportion of all married couples who have no personality preferences in common. US 10:35 O