Question 1199875
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The expected profit is

    {{{3000*(1/900) + 200*(3/900) + 40*(13/900)}}} - 6 = {{{(3000 + 3*200 + 13*40)/900}}} - 6 = {{{4120/900}}} - 6 = 4.5778 - 6 = -1.4222 = -1.42 dollars  (rounded).


<U>ANSWER</U>.  The expected profit is -1.42 dollars.  The sign "minus" means your loss.  

         Your negative profit is a masked form of your donation to raise money for scholarships.
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Solved, with explanations.