A worked example
Three attempts at 50% each give an 87.5% chance of at least one success.
Repeated chance
Find the chance of at least one success in independent attempts.
YOUR LITTLE WORKBENCH
ON YOUR DEVICE ✦Repeated chance
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THE METHOD / 01
A clear wayfrom start to finish.
At least one = 1 − (1−p)^attempts. Expected success count = attempts × p.
Keep the assumptions clear
Only independent identical attempts. Not a prediction of an individual outcome.
A FEW USEFUL ANSWERS
Good to know.
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