When confronted with "H H H H T T T T T T" as a summary of the results of a series of 10 flips of a coin,most people will view that series as "less random" than a summary of results that looks like "H H T H T T H T H T," even though the odds of a "head" on the next toss is 50/50 in each case.Why? Their estimates have been biased by

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This phenomenon is known as the representativeness heuristic. People tend to believe that random outcomes should look like a balanced mixture of different possibilities, rather than long strings of the same outcome. Therefore, they perceive the first series as less random because it does not meet their expectations of a random outcome. This bias can lead to erroneous judgments and decisions in various contexts.

When Confronted with "H H H H T T T