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When you are determining the probability of an event, why must the probability be between 0 and 1? Explain your answer.Asked by Anonymous
When you are determining the probability of an event, why must the probability be between 0 and 1? Explain your answer.
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Answered by
oobleck
p=0 means it never happens
p=1 means it must always happen
That is the definition of probability. So, if it can sometimes happen, then 0<p<1
p=1 means it must always happen
That is the definition of probability. So, if it can sometimes happen, then 0<p<1