A man bets on number 16 on a roulette w heel 14 times and lo sses each time. On the
15t h span he does a quick calculatio n and finds o ut that the number 12 had appeared
twice in the 14 spans and is therefore, unable to dec ide whether t o bet on 16 or 12 in the
15t h span. Which will give him the best c hance and what are the odds of winning on the
bet that he tak es? (Roulette has numbers 1 to 36)
(a) 16; 22 : 14 (b) 12; 72 : 1 (c) 12; 7 : 1 (d) Either; 35 : 1

• ans is d
  12 or 16 doesn't matter so each hno have equal prob. so for 1st part ans is either
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• i really need more explanation for that
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