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How to find expected value?


Hi,

I am new to Mathematica and I am trying to calculate the expected value
of a function using the code pasted below. However, mathematica does
not find it and just spits back the last line of code. Could you please
help me figure out how to evaluate the expected value?

Thank you,
Masha

\!\(Clear["\<Global`*\>"]\[IndentingNewLine]
  Remove["\<Global`*\>"]\[IndentingNewLine]
  << Statistics`ContinuousDistributions`\[IndentingNewLine]
  << Statistics`DescriptiveStatistics`\[IndentingNewLine]
  h[q_]\  := PDF[NormalDistribution[μq, Ï?q], q]\[IndentingNewLine]
  g[c_]\  := PDF[NormalDistribution[μc, Ï?c], c]\[IndentingNewLine]
  \(pio\  = \ p\ q\  - \ c\ q;\)\[IndentingNewLine]
  \(pif\  = \ b\ μq\ \(â?«\_μ_c\%â??\((c - μc)\)\ g[
    c] \[DifferentialD]c\) + \ a\ μq\ \((c\  - \ μc)\)\  - \ Po\ b\
      μq;\)\[IndentingNewLine]
  pit\  = \ pio + pif\[IndentingNewLine]
  util\  = \ Exp[\(-r\)*W]\ Exp[\(-r\)*β\ pit]\
Exp[r*ch]\[IndentingNewLine]
  ExpectedValue[util, g[c], c]\)


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