Mathematics, 01.12.2021 01:00 Onlytrillest
There are two types of raters. Random and independent from our point of view: 80% of raters are careful and they rate an ad as good (60% chance) or bad (40% chance). 20% of raters are lazy and they rate every ad as good (100% chance). Suppose we have 100 raters each rating one ad independently. What's the expected number of good ads
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There are two types of raters. Random and independent from our point of view: 80% of raters are care...
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