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## Homework Statement

For the infinite square-well potential, find the probability that a particle in its fourth excited state is in each third of the one-dimensional box:

(0 to L/3)

(L/3 to 2L/3)

and (2L/3 to L)

## Homework Equations

∫ψ^2= Probability

## The Attempt at a Solution

So from ∫ψ^2 for the first third of the problem i got that my probability equation should be

1/3-(1/((2πn))(sin(2π/3)) - 0 where n is that excited state but I am getting a wrong answer of about .10 off , is there something wrong with my equation?

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