PROBABILITY

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Probability is how likely or unlikely an event is to happen. 

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0 - 0% - Impossible to happen  1/4 - 25% - Unlikely to happen  1/2 - 50% - Equally likely or unlikely to happen  3/4 - 75% - Likely to happen  1 - 100% - Certainly to happen 

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Probability =

Number of Favorable Outcome

Number of Possible Outcome

White Scribbled Underline

P =

White Scribbled Underline

FQ

PQ

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A die is thrown once. Find the probability of getting an even number.

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Number of favorable outcomes = 3 (i.e 2, 4, 6) 

Number of possible outcome = 6 (i.e 1, 2, 3, 4, 5, 6)

P  = 3/6     = 1/2      or       50%

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