Question 995610
Expected value is the sum of the following:  Money made (+ or -) * probability
1000*40%= -400
0*15%=0
2000*15%=300
5000*15%=750
10000*15%=1500
The percentages add up to 100%, and the products add to +  $2150.
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This means if one were able to invest $1000 over and over again, infinite times, the expected value of the amount invested would be $2150 on each $1000 invested.