In a multiple regression analysis where n=100 and k=3, we find the fitted Y_i>=30 for a given X_i. Also, the square root of MSE (that is, S_e) is 40. The corresponding 95% "quick" confidence interval for the conditional mean of Y is _____.

Select one:

[22, 38]

[27, 33]

[25, 35]

[19, 41]