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Randomisation in Coin Tosses

Randomisation in Coin Tosses. We can’t predict the result of one coin toss with certainty but we have an expectation that with 10 tosses we will get about half, or 5 heads. There will be quite a lot of variation , however, about our expectation for such a small number of tosses.

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Randomisation in Coin Tosses

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  1. Randomisation in Coin Tosses We can’t predict the result of one coin toss with certainty but we have an expectation that with 10 tosses we will get about half, or 5 heads. There will be quite a lot of variation, however, about our expectation for such a small number of tosses. The next few slides show the variation in the number of heads in 10 trials of 10 tosses of a coin.

  2. 10 Tosses

  3. 10 Tosses

  4. 10 Tosses

  5. 10 Tosses

  6. 10 Tosses

  7. Increasing the number of coin tosses • We are now going to see the result of simulating 20 coin tosses and the number and percentage of Heads and Tails obtained. • Each time more simulated tosses are added to those already completed, there should be less variation from the expected 50%: +30 +50 +100 +200 +500 +1000 +1000 +3000

  8. 20 Tosses

  9. 50 Tosses

  10. 100 Tosses

  11. 200 Tosses

  12. 500 Tosses

  13. 1000 Tosses

  14. 2000 Tosses

  15. 5000 Tosses

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