For one throw, the expected value is:

`E(X)=sum{x_i*P(x_i)}=1times1/6+` `2times1/6+3times1/6+` `4times1/6+` `5times1/6+` `6times1/6`

`=7/2`

`=3.5`

So for 100 throws, I can expect to get $350.

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