Posted by **Karina** on Monday, April 1, 2013 at 6:21pm.

A fair six-sided die is rolled. If the number showing is even, you lose a point for each dot showing. If the number showing is odd, you win a point for each dot showing.

a. Find E(x)for one roll if x represents the number of point s you win.

b. Find the expected winnings for ten rolls.

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