Dan Harrington in talking about zones states that u are in RED ZONE with M 1-5 and in ORANGE ZONE when your M is 6-10. But in what zone i am if my M is 5.35 or 5.65. Please help!
They are just general rules of thumb. You can consider to be either and it won't make much of a difference as even within the zones, you have to make minor adjustments also.
I use the M numbers as a general guide; adjusting them to position and cards and table conditions. It's another tool, another piece of informaton to help in your decision's.