Kinetic Energy in Non-Normalized Particle State

[jalobo]

At a given moment, the wave function of a particle in a non-normalized state $$\Psi$$ (x) = 1 + sin²(kx). By measuring its kinetic energy, what values are available and how likely?.

 

[muppet]

If this is a homework question, you should probably be aware that there's a separate forum for people to help you with those:
https://www.physicsforums.com/forumdisplay.php?f=153