Math Problem Statement
参与抽奖,已知中奖率 3.14% 方式1: 花100元能获取一张奖券 方式2: 花49555能获取4张奖券
分别计算两种方式,想要必须中奖一次,需要花多少钱
Solution
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Math Problem Analysis
Mathematical Concepts
Probability
Expected Value
Geometric Series
Formulas
Geometric series sum formula
Probability of independent events
Theorems
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Suitable Grade Level
Advanced High School
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