The weight of chicken follows a normal distribution, with a mean of u pounds and a variance of 4 pounds"? We took a sample of 144 chicken with a sample mean of 6 pounds. What is the two-sided 95% confidence interval of Note that from the z-distribution table; we know: - -1645) = 5% - -196) = 2 50/0 --128) o [5 34776653] o [5 67376827] o [5 72676274] o [5 78776213] O None of the other answers