That depends on where in Alaska you are going to be. There are no requirements, just suggestions. If you are going to be in the back roads, you definitely want great winter tires. Otherwise, regular tires should do just fine.
what brand of tire do Alaska trooper use.
The tire, the vehicle. anticipated speed, temperatures, cornering requirements and the roadway are all factors that determine the optimum inflation. Most don't need to be considered by street cars, but must be factored in for racing at high speeds.
Look along the tire rim.
No
In the USA, all 4 tired cars and light trucks made after 2007.
From a garage or a tyre shop.
That is not a tire size.
There are no "tire laws" for used car dealers.
sedan and muscular cars
They tire.
about 15psi or 1.1bar.
From the manufacturer- yes.