What is the probability of rolling 7 or a 5 on a single 10 sided dice

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11-04-2018
Mathematics

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What is the probability of rolling 7 or a 5 on a single 10 sided dice

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altavistard altavistard · Answer 1 · 2018-04-11T15:52:19+02:00

altavistard altavistard

11-04-2018

Here a "success" is "obtaining a 7 or a 5." Assuming that the 10-sided die is marked {1, 2, 3, ... , 9, 10}, there are 2 ways in which to get a "success" out of 10 possible outcomes. Thus, P(5 or 7) is 2/10, or 1/5, or 02.

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