What does at least mean in probability?

SzigetiWG4

SzigetiWG4

Answered question

2022-11-27

What does at least mean in probability?

Answer & Explanation

onderpunt3Nn

onderpunt3Nn

Beginner2022-11-28Added 9 answers

The definition of at least is Less than or equal to. In probability, at least means the minimum value that should occur once a random event happens.
Example: We throw 2 dice, then the probability of the sum of two numbers is at least 7 will be:
Probability=favourableoutcomestotaloutcomes
The possible total outcomes are:
1,1,1,2,1,3,1,4,1,5,1,6,2,1,2,2,2,3,2,4,2,5,2,6,3,1,3,2,3,3,3,4,3,5,3,6
4,1,4,2,4,3,4,4,4,5,4,6,5,1,5,2,5,3,5,4,5,5,5,6,6,1,6,2,6,3,6,4,6,5,6,6
The possible values where the sum of two numbers is at least 7 are:
1,6,2,5,2,6,3,4,3,5,3,6,4,3,4,4,4,5,4,6,5,2,5,3,5,4,5,5,5,6,6,1,6,2,6,3,6,4,6,5,6,6,
P(thesumoftwonumbersisatleast7)=2136=712.
Therefore, the atleast word's meaning is defined.


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