Several items are given fixed probabilities of selection per trial, one such item has a probability of 1.5%. What is the probability of selecting this item if 20 trials are permitted?(adsbygoogle = window.adsbygoogle || []).push({});

This is not homework just a calculation for a game I play, so an explanation would be nice so I can do it myself, but all that is required is an answer, preferably in %.

Haven't done Probability or Stats in few years now... can't think of which rule I ought to use in this situation.

Many thanks,

Ben Orin

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# Items are given a fixed probability of selection per trial

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