The wheel of the roulette has 38 pockets. Two of them are special pockets labeled as 0 and 00; the rest are numbered from 1 to 36. Each time the roulette is played, you will bet $1 on odd numbers. Let X; be the payout of ith game 1 if odd Xi . a 1 otherw1se and let Sn = X1+- - -+X100 be the total payout from the rst 71 games. (a) What is the distribution of X3\"? (b) What is the distribution of 09100 + 100)