Use the Following Equation Statement to Answer the Question

Multiple Choice

Use the following equation statement to answer the question. The normalized wave functions for the infinite square-well potential are
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-The expectation value <x> for a particle in the excited (n = 2) state of an infinite square-well potential is

A) 0.424L
B) 0.173L
C) 0.761L
D) 0.374L
E) 0.494L