Calculation help for half time system

[uknowsit]

Hi all, I am looking for the correct answer to my simple maths query. I'm using half time score data to try and pick games wehre i think there will be > 1.5 goals. So far i've just do simple analysis and to good effect - lumping games into 4 folds. What i need a little help with is my maths. If i see team A has a 43.75% rate of home games going over 1.5 and team B has an away 40% chance - what is the mathematical calculation to assume this game will have >1.5 first hlaf goals? Similarly for the avg goals. If team c has an average of 1.31 first half goals in home games, and team D has average of 1.33 what is the likely goal ratio? Is it as simple as 43.75% + 40% divided by 2 = 41.87%?

[Machine]

Re: Calculation help for half time system 0.4375 * 0.4 = 0.175 or 17.5% Average goals [TABLE=width: 128]

[TR] [TD=class: xl64, width: 64]0-0[/TD] [TD=class: xl65, width: 64, align: right]7.14%[/TD] [/TR] [TR] [TD=class: xl64]1-1[/TD] [TD=class: xl65, align: right]12.43%[/TD] [/TR] [TR] [TD=class: xl64]1-0[/TD] [TD=class: xl65, align: right]9.35%[/TD] [/TR] [TR] [TD=class: xl64]2-0[/TD] [TD=class: xl65, align: right]6.12%[/TD] [/TR] [TR] [TD=class: xl64]2-1[/TD] [TD=class: xl65, align: right]8.14%[/TD] [/TR] [TR] [TD=class: xl64]0-1[/TD] [TD=class: xl65, align: right]9.49%[/TD] [/TR] [TR] [TD=class: xl64]0-2[/TD] [TD=class: xl65, align: right]6.31%[/TD] [/TR] [TR] [TD=class: xl64]1-2[/TD] [TD=class: xl65, align: right]8.27%[/TD] [/TR] [/TABLE]