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Sunday 25 May 2014

10 Heads in a Row

What is the probability of getting 10 heads in a row from flipping a coin?


All is explained here:


Two excellent videos for introducing probability. Show the first video and ask the class how James did this. This often highlights misconceptions. Then show the full version. Now get pupils experimenting and calculating the cumulative frequency when they flip a coin 10 times (or if you have time, 100), which leads to further discussions. I have found this works with pupils of all abilities.

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