How does drop rate work?

Each attempt has an independent probability. The chance of getting at least one drop increases with more attempts but never reaches 100%.

What is the expected number of attempts?

For a drop rate of X%, you need on average 100/X attempts. For a 5% drop, expect about 20 attempts on average.

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How does drop rate work?: Each attempt has an independent probability. The chance of getting at least one drop increases with more attempts but never reaches 100%.
What is the expected number of attempts?: For a drop rate of X%, you need on average 100/X attempts. For a 5% drop, expect about 20 attempts on average.