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What does at least mean in probability?

The term at least means “less than or equal to”.

Answer: The word ‘at least’ in probability means less than or equal to. 

This term is used in Probability in maths, in which questions like, find out the probability of getting at least two heads, when three coins are tossed together. 

‘At least’ and ‘at most’ are the two most important and yet confusing terms. Least means the minimum smaller number, whereas, the most means the highest number.