• anonymous
Gareth believes that if he flips a coin 820 times, it will land heads up exactly 410 times. What would you tell Gareth about his prediction?
  • Stacey Warren - Expert
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  • schrodinger
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  • anonymous
While 410 heads is the most likely outcome, it is not guaranteed. In fact, purely by chance, the outcome may vary from 410. There is even a very small chance (about 1 in 10^247) that he will get 0 heads. Furthermore, even though 410 is the most likely outcome, it will only occur about 3% of the time. Probability gives an average expectation. It does not guarantee the outcome of any trial.

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