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A brass thumbtack was thrown 100 times and it was registered whether the pin was pointing up or down towards the table upon landing.
data(thumbtack)
The format is: int [1:100] 1 1 0 0 1 1 0 1 0 0 ...
1 corresponds to "tip pointing down" and 0 corresponds to "tip pointing up"
Mats Rudemo (1979). Statistik og sandsynlighedslaere med biologiske anvendelser. Del 1: Grundbegreber.
data(thumbtack) mean(thumbtack)
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