Find the expected value of the winnings from a game that has the following payout probability distribution: Payout ($) 0 1 2 5 10

probability .12 .2 .38 .2 .1

The answer is 1 because you have to flip the sign when dividing by negative number and 3

Ineed with this same question!

So don't take my word i'm not exactly a mathematical person but i would assume a. because while selling the soap every month you increase in sells so you would by 11 percent. the you would get the factor 0.89 which if i had to guess would be the monthly profit over 11 probably wrong tho