# Grade 7, Maths Olympiad (CBSE) - Sample Space

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Grade 7 | Maths | Sample Space, Probability, Olympiad, CBSE, ICSE, SOF, ITO

Probability: The Probability of an event is defined as the measure of the chance that a particular event may occur.

The formula of Probability: Let A be the event to occur.

*P(A)=Number of favourable outcomes/Total number of outcomes*

Note: The probability* of an event always lies between 0 and 1.*

Impossible Event: If the probability of an event is 0 then the event is known as an impossible event. An impossible event cannot occur.

Sure Event: If the probability of an event is 1 then the event is known as a sure event.

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