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You may need to use the appropriate technology to answer this question. Following is a portion of the computer output for a regression analysis relating y = maintenance expense (dollars per month) to x = usage (hours per week) of a particular brand of computer terminal. Analysis of Variance SOURCE DF Adj SS Adj MS Regression 1 1575.76 1575.76 Error 8 349.14 43.64 Total 9 1924 .90 Predictor Coef SE Coef Constant 6.1092 0.9361 X 0 . 8951 0 . 14 90 Regression Equation Y : 6.1092 + 0.8951 X (3) Write the estimated regression equation. p: (b) Use a ttest to determine whether monthly maintenance expense (dollars per month) is related to usage (hours per week) at the 0.05 level of signicance. State the null and alternative hypotheses. OHO:/31=0 Ha:/31=0 OHO:/30=0 Ha:,[30:0 OHO:{30:0 Ha:o=0 OHO:{31=D Ha:1:0 OHO:{3120 Ha:,(31