A 90% confidence interval for the mean weight( in Ibs) of all babies in the USA was (6.932,8.264). Use the information to answer these. 1. What was the sample mean weight of babies used to compute this confidence interval? 2. Referring to this question above what is the margin of error for the given interval? Part 2 same question Correctly interpret the above confidence interval. A. There is a 0.90 probability that the true mean weight of babies born in the USA between 6.932 and 8.264lbs B. We are 90% confident that the sample mean weight of babies born in the USA is between 6.932 and 8.264lbs C.we are 90% confident that our data is between 6.932 and 8.264lbs D. There is a 90% chance that the true mean weight of babies born in the USA is between 6.932 and 8.264lbs E. We are 90% confident that the true mean weight of babies born in the USA is between 6.932 and 8.262lbs What would happen to the margin of error if we Decrease the sample size? Increase the sample size