When you roll a gacha with a 1% chance, the probability of getting one or more is ...
○ After 100 consecutive turns
What is the probability?
○ 90% at what number
Will it exceed?
Such questions are visualized and displayed in a graph.
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Library used
PhilJay / MPAndroidChart
https://github.com/PhilJay/MPAndroidChart
c60evaporator / CustomMPAndroidChart
https://github.com/c60evaporator/CustomMPAndroidChart