Consider a particle confined to a two-dimensional box where the length in the x dimension is a, and the length in the y dimension is b. Calculate the probability that the particle in the ground state will be found within the region:

a/4< or = x < or = 3a/4,

b/4 , or = y < or = 3b/4

("< or =" means "smaller or equal to")

a/4< or = x < or = 3a/4,

b/4 , or = y < or = 3b/4

("< or =" means "smaller or equal to")

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