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A dealer at a casino holds a game that is played as | ||
follows: The player first pays $d to the dealer, where d | ||
is some positive integer less than 100. The dealer then | ||
intends to flip a coin d times. If at any point two | ||
consecutive heads are flipped, then the dealer stops | ||
flipping the coin, and the player wins and is awarded | ||
$100. Otherwise, the player loses (and is awarded | ||
nothing). A player pays the dealer $29. The dealer | ||
weights the coin before flipping it, changing the | ||
probability of flipping heads such that the player's | ||
expected net profit is non-positive. The player is not | ||
aware of this re-weighing. Find the maximum | ||
probability that the dealer should choose. |