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OW Probability ID
Terms for probability ID resourse room
Term | Definition |
---|---|
probability | how likely it is for an event to happen |
outcome | a possible result from an event |
certain | it will definitely happen ; 100% ; 1 |
likely | it will probably happen ; more than 50% chance |
as likely as not | same chance that it will or will not happen ; 50% ; 1/2 |
unlikely | it will probably NOT happen ; less than 50% chance |
impossible | it cannot happen ; 0% ; 0 |
experimental probability | actual results from an experiment; the ratio of the number of times an event occurs / to the number of trials. |
theoretical probability | If all results were equally likely to happen, the calculated (predicted) results |
event | a situation involving chance that has more than one possible outcome |
trials | the number of times an experiment is performed or "tried" |
Tree Diagram | a visual that shows all of the possible outcomes for an event |
number cube | Die; six sided cube labeled with the numbers 1 - 6 (1,2,3,4,5,6) |
sample space | the set of ALL possible outcomes from an experiment |
Fundamental Counting Principal | multiply the possible outcomes of each event |