Please revise problem statement to indicate that summation is required, such as:
"the function avg_gain(odds,bets) should return the SUM of each bet's average gain (averaged for each possible outcome)"
It is not obvious from the example.
As stated by David, it is required to sum the averages after the calculation.
Back to basics 8 - Matrix Diagonals
Back to basics 22 - Rotate a matrix
Angle between Two Vectors
The sum of the numbers in the vector
Test Problem; Create a 5x5 array containing all ones
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