Doubt to the Probability No. 1

to Japanese

2018 (c)Shogo Baba

Turn a roulette with 10 numbers from 0 to 9 one hundred times and count how many times 9 appears. The probability of having 9 is 10%, which most likely appears 10 times in total.


ROULETTE: 1
9 appears: 1

9


2018
Appeared in the Bulletin "New-Method" No. 64

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