Consider the following regression model and corresponding output for a dataset with n-65 observations: y=B,+B2Xy+B3X3 +B4X4+Bsxs +u Variable B Std. Error t P>It X2 -0.01264 0.005519 2.28937 0.022 X3 0.595792 0.014482 41.13934 0.000 X4 1.124589 0.877192 1.282032 0.200 XS 0.323742 0.060709 5.332661 0.000 Constant 8.8602 1.7661 5.0167 0.000 What is the 99% confidence interval for Bs? 08.(0.1786, 0.4688) O b. (0.2630,0.3845) OC (0.1623, 0.4852) Od (-5.0089,5,6564)