Select one:

Suppose that a hospital's management is interested in predicting the total bill (y in $1,000) based on a patient's age (x1 ), length of stay (x2), and the number of days in intensive care unit (ICU) (x3). Suppose that the manager got the following partial output of a minitab regression analysis. Predictor Coef SE Coef Constant 0.608 1.258 X1 0.02980 0.02878 X2 1.2806 0.2493 X3 3.1 1.214Analysis of Variance Source DF SS Regression 3 701.39 Residual Error 37 348.57 Total 40 1049.96 Keeping all the coefficients (even those possibly with high P values), predict the average hospital bill for a 55-year old person hospitalized for 5 days, two of which are at ICU. Select one: O $11,865.5 O $8,042 O $12,288.8 $5,480.8