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This is exactly how conditional probability works: it adjusts the likelihood of an event happening based on a given condition.

A playing card with the ace of clubs on it. A playing card with the ace of Hearts on it. A playing card with the ace of Spades on it. A playing card with the ace of diamonds on it. A gold coin with the letter H on it. A gold coin with the letter T on it. A blue raffle ticket. A pink raffle ticket. A purple raffle ticket.