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In the New York State Lottery, you can bet $1 by selecting 4 numbers from 0 through 9 inclusive.
In the New York State Lottery, you can bet $1 by selecting 4 numbers from 0 through 9 inclusive. You must select the same four numbers as the result from the lottery and they must be selected in the same order to win the $1000 prize.
a.) What is the expected value for winning the $1000 prize?
I got -$0.80 as the answer, but I've seen others get $1.198. Which is right and how?