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Old 08-04-2015, 04:56 PM
ddxdy ddxdy is offline
Aviak


Join Date: May 2015
Posts: 53
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Quote:
Originally Posted by heartbrand [You must be logged in to view images. Log in or Register.]
Your sample size is WAY too low
Really, because binomial distribution says there is a 0.0002958% chance of getting 5 earrings out of 9 drops.

(9 C 5 )(.08)^5 * (1-.08)^4

You need a big sample size to determine drop percentages.

You don't need a big sample size to determine the rarity of an event occurring.