maths probability

maths probability

1. probability

   • definition
     • number of succeful outcomes over total number of outcomes
   • when events are muatuly exclusive you add their probabilities
   • theoretical probability is done without doing an experiment
   • a weird e means an element of

2. frequency trees

   • 36
   • a frequency tree shows two or more events and the number of times they occured

3. a conditional probability is the proobality f a dependent vent

   • and then the 2nd event changes probability due to the first event

4. if the probability says and and you need to multiply

5. if it is or you add

6. theoretical probability of an outcome

   • frequency of outcome over total number of trials

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