Opposition to the problem № 8 «Fair coin»

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Presentation transcript:

Opposition to the problem № 8 «Fair coin» IYNT 2018 TEAM OF BELARUS opponent: Maryia Tomashuk

Statement In many cases, disputes are resolved with the coin toss. It is presumes that this procedure gives equal chances of winning to both sides. Investigate how do chances depend on the tossing mechanism and the coin properties.

Theory Law of large numbers; Probability theory; STRENGTHS WEAKNESSES Law of large numbers; Probability theory; Displacement of barycenter; No proving of randomness; Almost no parameters of the coin;

Experiment A lot of tosses; Comparing theory and experiment; STRENGHTS WEAKNESSES A lot of tosses; Comparing theory and experiment; Analysis of tosses; Hand and machine set up; Different coins; Properties of the coin; Only one machine (no machine proving probability theory); No comparing different surfaces using one set ups; Displacement of the barycenter wasn’t measured

Points for the discussion Displacement of barycenter Does the material of the coin influence the results What about physical forces What is coin made of material and covered with another

Thank you for your attention!