calculate a 90 percent and a 99 percent confidence intervals around b in Model 2. Regression 1.000 39,596,491.667 39,596,491.667 171,616,918,860,032,000,000,000,000,000,000.000 0.000 Residual 10.000 0.000 0.000 Total 11.000 39,596,491.667 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Intercept 0.000 0.000 2.601 0.026 0.000 0.000 DLH (X) 42.000 0.000 13,100,264,075,965,500.000 0.000 42.000 42.000